Finding the Third Proportional to 565,143,240,672 and 868,665,679,488

Step by Step Solution

1. Step 1: Write the proportion equation
   565,143,240,672 : 868,665,679,488 = 868,665,679,488 : x
2. Step 2: Convert to fraction form
   565,143,240,672/868,665,679,488 = 868,665,679,488/x
3. Step 3: Cross multiply
   565,143,240,672x = 868,665,679,488 × 868,665,679,488
4. Step 4: Simplify right side
   565,143,240,672x = 754,580,062,720,348,796,223,488
5. Step 5: Solve for x
   x = 754,580,062,720,348,796,223,488/565,143,240,672
6. Step 6: Final answer
   x = 1,335,201,429,328.06