Finding the Third Proportional to 42,817.50 and 88,617

Step by Step Solution

1. Step 1: Write the proportion equation
   42,817.50 : 88,617 = 88,617 : x
2. Step 2: Convert to fraction form
   42,817.50/88,617 = 88,617/x
3. Step 3: Cross multiply
   42,817.50x = 88,617 × 88,617
4. Step 4: Simplify right side
   42,817.50x = 7,852,972,689
5. Step 5: Solve for x
   x = 7,852,972,689/42,817.50
6. Step 6: Final answer
   x = 183,405.68