Finding the Third Proportional to 148,300.50 and 229,821.75

Step by Step Solution

1. Step 1: Write the proportion equation
   148,300.50 : 229,821.75 = 229,821.75 : x
2. Step 2: Convert to fraction form
   148,300.50/229,821.75 = 229,821.75/x
3. Step 3: Cross multiply
   148,300.50x = 229,821.75 × 229,821.75
4. Step 4: Simplify right side
   148,300.50x = 52,818,036,773.06
5. Step 5: Solve for x
   x = 52,818,036,773.06/148,300.50
6. Step 6: Final answer
   x = 356,155.49