Finding the Third Proportional to 108,082.50 and 172,663.50

Step by Step Solution

1. Step 1: Write the proportion equation
   108,082.50 : 172,663.50 = 172,663.50 : x
2. Step 2: Convert to fraction form
   108,082.50/172,663.50 = 172,663.50/x
3. Step 3: Cross multiply
   108,082.50x = 172,663.50 × 172,663.50
4. Step 4: Simplify right side
   108,082.50x = 29,812,684,232.25
5. Step 5: Solve for x
   x = 29,812,684,232.25/108,082.50
6. Step 6: Final answer
   x = 275,832.67