Finding the Third Proportional to 37,729,540 and 80,838,120

Step by Step Solution

1. Step 1: Write the proportion equation
   37,729,540 : 80,838,120 = 80,838,120 : x
2. Step 2: Convert to fraction form
   37,729,540/80,838,120 = 80,838,120/x
3. Step 3: Cross multiply
   37,729,540x = 80,838,120 × 80,838,120
4. Step 4: Simplify right side
   37,729,540x = 6,534,801,645,134,400
5. Step 5: Solve for x
   x = 6,534,801,645,134,400/37,729,540
6. Step 6: Final answer
   x = 173,201,201.10