Finding the Third Proportional to 62,911.50 and 91,772.25

Step by Step Solution

1. Step 1: Write the proportion equation
   62,911.50 : 91,772.25 = 91,772.25 : x
2. Step 2: Convert to fraction form
   62,911.50/91,772.25 = 91,772.25/x
3. Step 3: Cross multiply
   62,911.50x = 91,772.25 × 91,772.25
4. Step 4: Simplify right side
   62,911.50x = 8,422,145,870.06
5. Step 5: Solve for x
   x = 8,422,145,870.06/62,911.50
6. Step 6: Final answer
   x = 133,872.91