Finding the Third Proportional to 74,014.50 and 112,872

Step by Step Solution

1. Step 1: Write the proportion equation
   74,014.50 : 112,872 = 112,872 : x
2. Step 2: Convert to fraction form
   74,014.50/112,872 = 112,872/x
3. Step 3: Cross multiply
   74,014.50x = 112,872 × 112,872
4. Step 4: Simplify right side
   74,014.50x = 12,740,088,384
5. Step 5: Solve for x
   x = 12,740,088,384/74,014.50
6. Step 6: Final answer
   x = 172,129.63