Finding the Third Proportional to 254,988 and 383,089.50

Step by Step Solution

1. Step 1: Write the proportion equation
   254,988 : 383,089.50 = 383,089.50 : x
2. Step 2: Convert to fraction form
   254,988/383,089.50 = 383,089.50/x
3. Step 3: Cross multiply
   254,988x = 383,089.50 × 383,089.50
4. Step 4: Simplify right side
   254,988x = 146,757,565,010.25
5. Step 5: Solve for x
   x = 146,757,565,010.25/254,988
6. Step 6: Final answer
   x = 575,546.95