Finding the Third Proportional to 74,548 and 111,521

Step by Step Solution

1. Step 1: Write the proportion equation
   74,548 : 111,521 = 111,521 : x
2. Step 2: Convert to fraction form
   74,548/111,521 = 111,521/x
3. Step 3: Cross multiply
   74,548x = 111,521 × 111,521
4. Step 4: Simplify right side
   74,548x = 12,436,933,441
5. Step 5: Solve for x
   x = 12,436,933,441/74,548
6. Step 6: Final answer
   x = 166,831.22