Finding the Third Proportional to 108,870.75 and 171,082.13

Step by Step Solution

1. Step 1: Write the proportion equation
   108,870.75 : 171,082.13 = 171,082.13 : x
2. Step 2: Convert to fraction form
   108,870.75/171,082.13 = 171,082.13/x
3. Step 3: Cross multiply
   108,870.75x = 171,082.13 × 171,082.13
4. Step 4: Simplify right side
   108,870.75x = 29,269,093,494.52
5. Step 5: Solve for x
   x = 29,269,093,494.52/108,870.75
6. Step 6: Final answer
   x = 268,842.58