Finding the Third Proportional to 60,709.50 and 91,469.25

Step by Step Solution

1. Step 1: Write the proportion equation
   60,709.50 : 91,469.25 = 91,469.25 : x
2. Step 2: Convert to fraction form
   60,709.50/91,469.25 = 91,469.25/x
3. Step 3: Cross multiply
   60,709.50x = 91,469.25 × 91,469.25
4. Step 4: Simplify right side
   60,709.50x = 8,366,623,695.56
5. Step 5: Solve for x
   x = 8,366,623,695.56/60,709.50
6. Step 6: Final answer
   x = 137,814.08