Finding the Third Proportional to 91,373.25 and 137,059.50

Step by Step Solution

1. Step 1: Write the proportion equation
   91,373.25 : 137,059.50 = 137,059.50 : x
2. Step 2: Convert to fraction form
   91,373.25/137,059.50 = 137,059.50/x
3. Step 3: Cross multiply
   91,373.25x = 137,059.50 × 137,059.50
4. Step 4: Simplify right side
   91,373.25x = 18,785,306,540.25
5. Step 5: Solve for x
   x = 18,785,306,540.25/91,373.25
6. Step 6: Final answer
   x = 205,588.69