Finding the Third Proportional to 565,143,240,674 and 868,665,679,491

Step by Step Solution

1. Step 1: Write the proportion equation
   565,143,240,674 : 868,665,679,491 = 868,665,679,491 : x
2. Step 2: Convert to fraction form
   565,143,240,674/868,665,679,491 = 868,665,679,491/x
3. Step 3: Cross multiply
   565,143,240,674x = 868,665,679,491 × 868,665,679,491
4. Step 4: Simplify right side
   565,143,240,674x = 754,580,062,725,560,739,037,184
5. Step 5: Solve for x
   x = 754,580,062,725,560,739,037,184/565,143,240,674
6. Step 6: Final answer
   x = 1,335,201,429,332.56