Finding the Third Proportional to 72,517.50 and 153,747

Step by Step Solution

1. Step 1: Write the proportion equation
   72,517.50 : 153,747 = 153,747 : x
2. Step 2: Convert to fraction form
   72,517.50/153,747 = 153,747/x
3. Step 3: Cross multiply
   72,517.50x = 153,747 × 153,747
4. Step 4: Simplify right side
   72,517.50x = 23,638,140,009
5. Step 5: Solve for x
   x = 23,638,140,009/72,517.50
6. Step 6: Final answer
   x = 325,964.63