Finding the Third Proportional to 111,475 and 169,342

Step by Step Solution

1. Step 1: Write the proportion equation
   111,475 : 169,342 = 169,342 : x
2. Step 2: Convert to fraction form
   111,475/169,342 = 169,342/x
3. Step 3: Cross multiply
   111,475x = 169,342 × 169,342
4. Step 4: Simplify right side
   111,475x = 28,676,712,964
5. Step 5: Solve for x
   x = 28,676,712,964/111,475
6. Step 6: Final answer
   x = 257,247.93