Finding the Third Proportional to 89,428.50 and 125,342

Step by Step Solution

1. Step 1: Write the proportion equation
   89,428.50 : 125,342 = 125,342 : x
2. Step 2: Convert to fraction form
   89,428.50/125,342 = 125,342/x
3. Step 3: Cross multiply
   89,428.50x = 125,342 × 125,342
4. Step 4: Simplify right side
   89,428.50x = 15,710,616,964
5. Step 5: Solve for x
   x = 15,710,616,964/89,428.50
6. Step 6: Final answer
   x = 175,677.97