Finding the Third Proportional to 516,823,586 and 794,393,499

Step by Step Solution

1. Step 1: Write the proportion equation
   516,823,586 : 794,393,499 = 794,393,499 : x
2. Step 2: Convert to fraction form
   516,823,586/794,393,499 = 794,393,499/x
3. Step 3: Cross multiply
   516,823,586x = 794,393,499 × 794,393,499
4. Step 4: Simplify right side
   516,823,586x = 631,061,031,253,463,040
5. Step 5: Solve for x
   x = 631,061,031,253,463,040/516,823,586
6. Step 6: Final answer
   x = 1,221,037,600.35