Finding the Third Proportional to 60,672.50 and 91,857.75

Step by Step Solution

1. Step 1: Write the proportion equation
   60,672.50 : 91,857.75 = 91,857.75 : x
2. Step 2: Convert to fraction form
   60,672.50/91,857.75 = 91,857.75/x
3. Step 3: Cross multiply
   60,672.50x = 91,857.75 × 91,857.75
4. Step 4: Simplify right side
   60,672.50x = 8,437,846,235.06
5. Step 5: Solve for x
   x = 8,437,846,235.06/60,672.50
6. Step 6: Final answer
   x = 139,072.01