Finding the Third Proportional to 147,793.50 and 221,386

Step by Step Solution

1. Step 1: Write the proportion equation
   147,793.50 : 221,386 = 221,386 : x
2. Step 2: Convert to fraction form
   147,793.50/221,386 = 221,386/x
3. Step 3: Cross multiply
   147,793.50x = 221,386 × 221,386
4. Step 4: Simplify right side
   147,793.50x = 49,011,760,996
5. Step 5: Solve for x
   x = 49,011,760,996/147,793.50
6. Step 6: Final answer
   x = 331,623.25