Finding the Third Proportional to 158,049.50 and 247,664

Step by Step Solution

1. Step 1: Write the proportion equation
   158,049.50 : 247,664 = 247,664 : x
2. Step 2: Convert to fraction form
   158,049.50/247,664 = 247,664/x
3. Step 3: Cross multiply
   158,049.50x = 247,664 × 247,664
4. Step 4: Simplify right side
   158,049.50x = 61,337,456,896
5. Step 5: Solve for x
   x = 61,337,456,896/158,049.50
6. Step 6: Final answer
   x = 388,090.17