Finding the Third Proportional to 644,178,354,454.50 and 1,401,455,200,460.20

Step by Step Solution

1. Step 1: Write the proportion equation
   644,178,354,454.50 : 1,401,455,200,460.20 = 1,401,455,200,460.20 : x
2. Step 2: Convert to fraction form
   644,178,354,454.50/1,401,455,200,460.20 = 1,401,455,200,460.20/x
3. Step 3: Cross multiply
   644,178,354,454.50x = 1,401,455,200,460.20 × 1,401,455,200,460.20
4. Step 4: Simplify right side
   644,178,354,454.50x = 1,964,076,678,896,939,312,349,184
5. Step 5: Solve for x
   x = 1,964,076,678,896,939,312,349,184/644,178,354,454.50
6. Step 6: Final answer
   x = 3,048,964,103,365.67