Finding the Third Proportional to 71,231 and 105,748

Step by Step Solution

1. Step 1: Write the proportion equation
   71,231 : 105,748 = 105,748 : x
2. Step 2: Convert to fraction form
   71,231/105,748 = 105,748/x
3. Step 3: Cross multiply
   71,231x = 105,748 × 105,748
4. Step 4: Simplify right side
   71,231x = 11,182,639,504
5. Step 5: Solve for x
   x = 11,182,639,504/71,231
6. Step 6: Final answer
   x = 156,991.19