Finding the Third Proportional to 113,387 and 169,488

Step by Step Solution

1. Step 1: Write the proportion equation
   113,387 : 169,488 = 169,488 : x
2. Step 2: Convert to fraction form
   113,387/169,488 = 169,488/x
3. Step 3: Cross multiply
   113,387x = 169,488 × 169,488
4. Step 4: Simplify right side
   113,387x = 28,726,182,144
5. Step 5: Solve for x
   x = 28,726,182,144/113,387
6. Step 6: Final answer
   x = 253,346.35