Finding the Third Proportional to 59,128,060 and 126,427,561.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,128,060 : 126,427,561.50 = 126,427,561.50 : x
2. Step 2: Convert to fraction form
   59,128,060/126,427,561.50 = 126,427,561.50/x
3. Step 3: Cross multiply
   59,128,060x = 126,427,561.50 × 126,427,561.50
4. Step 4: Simplify right side
   59,128,060x = 15,983,928,306,836,282
5. Step 5: Solve for x
   x = 15,983,928,306,836,282/59,128,060
6. Step 6: Final answer
   x = 270,327,291.42