Finding the Third Proportional to 69,217.88 and 150,943.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,217.88 : 150,943.50 = 150,943.50 : x
2. Step 2: Convert to fraction form
   69,217.88/150,943.50 = 150,943.50/x
3. Step 3: Cross multiply
   69,217.88x = 150,943.50 × 150,943.50
4. Step 4: Simplify right side
   69,217.88x = 22,783,940,192.25
5. Step 5: Solve for x
   x = 22,783,940,192.25/69,217.88
6. Step 6: Final answer
   x = 329,162.66