Finding the Third Proportional to 644,178,354,450 and 1,401,455,200,452

Step by Step Solution

1. Step 1: Write the proportion equation
   644,178,354,450 : 1,401,455,200,452 = 1,401,455,200,452 : x
2. Step 2: Convert to fraction form
   644,178,354,450/1,401,455,200,452 = 1,401,455,200,452/x
3. Step 3: Cross multiply
   644,178,354,450x = 1,401,455,200,452 × 1,401,455,200,452
4. Step 4: Simplify right side
   644,178,354,450x = 1,964,076,678,873,955,600,171,008
5. Step 5: Solve for x
   x = 1,964,076,678,873,955,600,171,008/644,178,354,450
6. Step 6: Final answer
   x = 3,048,964,103,351.29