Finding the Third Proportional to 71,521.50 and 154,288.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,521.50 : 154,288.50 = 154,288.50 : x
2. Step 2: Convert to fraction form
   71,521.50/154,288.50 = 154,288.50/x
3. Step 3: Cross multiply
   71,521.50x = 154,288.50 × 154,288.50
4. Step 4: Simplify right side
   71,521.50x = 23,804,941,232.25
5. Step 5: Solve for x
   x = 23,804,941,232.25/71,521.50
6. Step 6: Final answer
   x = 332,836.16