Finding the Third Proportional to 12,619,429,931 and 27,332,969,836

Step by Step Solution

1. Step 1: Write the proportion equation
   12,619,429,931 : 27,332,969,836 = 27,332,969,836 : x
2. Step 2: Convert to fraction form
   12,619,429,931/27,332,969,836 = 27,332,969,836/x
3. Step 3: Cross multiply
   12,619,429,931x = 27,332,969,836 × 27,332,969,836
4. Step 4: Simplify right side
   12,619,429,931x = 747,091,240,055,685,906,432
5. Step 5: Solve for x
   x = 747,091,240,055,685,906,432/12,619,429,931
6. Step 6: Final answer
   x = 59,201,663,160.75