Finding the Third Proportional to 120,883.50 and 169,931.25

Step by Step Solution

1. Step 1: Write the proportion equation
   120,883.50 : 169,931.25 = 169,931.25 : x
2. Step 2: Convert to fraction form
   120,883.50/169,931.25 = 169,931.25/x
3. Step 3: Cross multiply
   120,883.50x = 169,931.25 × 169,931.25
4. Step 4: Simplify right side
   120,883.50x = 28,876,629,726.56
5. Step 5: Solve for x
   x = 28,876,629,726.56/120,883.50
6. Step 6: Final answer
   x = 238,879.83