Finding the Third Proportional to 72,675 and 109,086

Step by Step Solution

1. Step 1: Write the proportion equation
   72,675 : 109,086 = 109,086 : x
2. Step 2: Convert to fraction form
   72,675/109,086 = 109,086/x
3. Step 3: Cross multiply
   72,675x = 109,086 × 109,086
4. Step 4: Simplify right side
   72,675x = 11,899,755,396
5. Step 5: Solve for x
   x = 11,899,755,396/72,675
6. Step 6: Final answer
   x = 163,739.32