Finding the Third Proportional to 60,706.50 and 91,906.75

Step by Step Solution

1. Step 1: Write the proportion equation
   60,706.50 : 91,906.75 = 91,906.75 : x
2. Step 2: Convert to fraction form
   60,706.50/91,906.75 = 91,906.75/x
3. Step 3: Cross multiply
   60,706.50x = 91,906.75 × 91,906.75
4. Step 4: Simplify right side
   60,706.50x = 8,446,850,695.56
5. Step 5: Solve for x
   x = 8,446,850,695.56/60,706.50
6. Step 6: Final answer
   x = 139,142.44