Finding the Third Proportional to 616,606,356 and 839,855,610

Step by Step Solution

1. Step 1: Write the proportion equation
   616,606,356 : 839,855,610 = 839,855,610 : x
2. Step 2: Convert to fraction form
   616,606,356/839,855,610 = 839,855,610/x
3. Step 3: Cross multiply
   616,606,356x = 839,855,610 × 839,855,610
4. Step 4: Simplify right side
   616,606,356x = 705,357,445,648,472,064
5. Step 5: Solve for x
   x = 705,357,445,648,472,064/616,606,356
6. Step 6: Final answer
   x = 1,143,934,762.89