Finding the Third Proportional to 147,658.50 and 221,442

Step by Step Solution

1. Step 1: Write the proportion equation
   147,658.50 : 221,442 = 221,442 : x
2. Step 2: Convert to fraction form
   147,658.50/221,442 = 221,442/x
3. Step 3: Cross multiply
   147,658.50x = 221,442 × 221,442
4. Step 4: Simplify right side
   147,658.50x = 49,036,559,364
5. Step 5: Solve for x
   x = 49,036,559,364/147,658.50
6. Step 6: Final answer
   x = 332,094.39