Finding the Third Proportional to 644,178,354,452 and 1,401,455,200,456

Step by Step Solution

1. Step 1: Write the proportion equation
   644,178,354,452 : 1,401,455,200,456 = 1,401,455,200,456 : x
2. Step 2: Convert to fraction form
   644,178,354,452/1,401,455,200,456 = 1,401,455,200,456/x
3. Step 3: Cross multiply
   644,178,354,452x = 1,401,455,200,456 × 1,401,455,200,456
4. Step 4: Simplify right side
   644,178,354,452x = 1,964,076,678,885,167,075,426,304
5. Step 5: Solve for x
   x = 1,964,076,678,885,167,075,426,304/644,178,354,452
6. Step 6: Final answer
   x = 3,048,964,103,359.23