Finding the Third Proportional to 60,147 and 91,636.50

Step by Step Solution

1. Step 1: Write the proportion equation
   60,147 : 91,636.50 = 91,636.50 : x
2. Step 2: Convert to fraction form
   60,147/91,636.50 = 91,636.50/x
3. Step 3: Cross multiply
   60,147x = 91,636.50 × 91,636.50
4. Step 4: Simplify right side
   60,147x = 8,397,248,132.25
5. Step 5: Solve for x
   x = 8,397,248,132.25/60,147
6. Step 6: Final answer
   x = 139,612.09