Finding the Third Proportional to 61,512.50 and 91,947.50

Step by Step Solution

1. Step 1: Write the proportion equation
   61,512.50 : 91,947.50 = 91,947.50 : x
2. Step 2: Convert to fraction form
   61,512.50/91,947.50 = 91,947.50/x
3. Step 3: Cross multiply
   61,512.50x = 91,947.50 × 91,947.50
4. Step 4: Simplify right side
   61,512.50x = 8,454,342,756.25
5. Step 5: Solve for x
   x = 8,454,342,756.25/61,512.50
6. Step 6: Final answer
   x = 137,441.05