Finding the Third Proportional to 111,940 and 169,550

Step by Step Solution

1. Step 1: Write the proportion equation
   111,940 : 169,550 = 169,550 : x
2. Step 2: Convert to fraction form
   111,940/169,550 = 169,550/x
3. Step 3: Cross multiply
   111,940x = 169,550 × 169,550
4. Step 4: Simplify right side
   111,940x = 28,747,202,500
5. Step 5: Solve for x
   x = 28,747,202,500/111,940
6. Step 6: Final answer
   x = 256,809.03