Finding the Third Proportional to 60,580.50 and 91,960.75

Step by Step Solution

1. Step 1: Write the proportion equation
   60,580.50 : 91,960.75 = 91,960.75 : x
2. Step 2: Convert to fraction form
   60,580.50/91,960.75 = 91,960.75/x
3. Step 3: Cross multiply
   60,580.50x = 91,960.75 × 91,960.75
4. Step 4: Simplify right side
   60,580.50x = 8,456,779,540.56
5. Step 5: Solve for x
   x = 8,456,779,540.56/60,580.50
6. Step 6: Final answer
   x = 139,595.74