Finding the Third Proportional to 109,231.50 and 146,715

Step by Step Solution

1. Step 1: Write the proportion equation
   109,231.50 : 146,715 = 146,715 : x
2. Step 2: Convert to fraction form
   109,231.50/146,715 = 146,715/x
3. Step 3: Cross multiply
   109,231.50x = 146,715 × 146,715
4. Step 4: Simplify right side
   109,231.50x = 21,525,291,225
5. Step 5: Solve for x
   x = 21,525,291,225/109,231.50
6. Step 6: Final answer
   x = 197,061.21