Finding the Third Proportional to 112,921.50 and 169,398

Step by Step Solution

1. Step 1: Write the proportion equation
   112,921.50 : 169,398 = 169,398 : x
2. Step 2: Convert to fraction form
   112,921.50/169,398 = 169,398/x
3. Step 3: Cross multiply
   112,921.50x = 169,398 × 169,398
4. Step 4: Simplify right side
   112,921.50x = 28,695,682,404
5. Step 5: Solve for x
   x = 28,695,682,404/112,921.50
6. Step 6: Final answer
   x = 254,120.63