Finding the Third Proportional to 31,120,498.69 and 68,506,929.56

Step by Step Solution

1. Step 1: Write the proportion equation
   31,120,498.69 : 68,506,929.56 = 68,506,929.56 : x
2. Step 2: Convert to fraction form
   31,120,498.69/68,506,929.56 = 68,506,929.56/x
3. Step 3: Cross multiply
   31,120,498.69x = 68,506,929.56 × 68,506,929.56
4. Step 4: Simplify right side
   31,120,498.69x = 4,693,199,398,081,336
5. Step 5: Solve for x
   x = 4,693,199,398,081,336/31,120,498.69
6. Step 6: Final answer
   x = 150,807,332.66