Finding the Third Proportional to 72,724.50 and 154,252.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,724.50 : 154,252.50 = 154,252.50 : x
2. Step 2: Convert to fraction form
   72,724.50/154,252.50 = 154,252.50/x
3. Step 3: Cross multiply
   72,724.50x = 154,252.50 × 154,252.50
4. Step 4: Simplify right side
   72,724.50x = 23,793,833,756.25
5. Step 5: Solve for x
   x = 23,793,833,756.25/72,724.50
6. Step 6: Final answer
   x = 327,177.69