Finding the Third Proportional to 147,791 and 221,382.50

Step by Step Solution

1. Step 1: Write the proportion equation
   147,791 : 221,382.50 = 221,382.50 : x
2. Step 2: Convert to fraction form
   147,791/221,382.50 = 221,382.50/x
3. Step 3: Cross multiply
   147,791x = 221,382.50 × 221,382.50
4. Step 4: Simplify right side
   147,791x = 49,010,211,306.25
5. Step 5: Solve for x
   x = 49,010,211,306.25/147,791
6. Step 6: Final answer
   x = 331,618.38