Finding the Third Proportional to 146,443.50 and 301,632.75

Step by Step Solution

1. Step 1: Write the proportion equation
   146,443.50 : 301,632.75 = 301,632.75 : x
2. Step 2: Convert to fraction form
   146,443.50/301,632.75 = 301,632.75/x
3. Step 3: Cross multiply
   146,443.50x = 301,632.75 × 301,632.75
4. Step 4: Simplify right side
   146,443.50x = 90,982,315,872.56
5. Step 5: Solve for x
   x = 90,982,315,872.56/146,443.50
6. Step 6: Final answer
   x = 621,279.30