Finding the Third Proportional to 151,426.50 and 221,631.38

Step by Step Solution

1. Step 1: Write the proportion equation
   151,426.50 : 221,631.38 = 221,631.38 : x
2. Step 2: Convert to fraction form
   151,426.50/221,631.38 = 221,631.38/x
3. Step 3: Cross multiply
   151,426.50x = 221,631.38 × 221,631.38
4. Step 4: Simplify right side
   151,426.50x = 49,120,466,384.39
5. Step 5: Solve for x
   x = 49,120,466,384.39/151,426.50
6. Step 6: Final answer
   x = 324,384.88