Finding the Third Proportional to 254,973.75 and 375,039

Step by Step Solution

1. Step 1: Write the proportion equation
   254,973.75 : 375,039 = 375,039 : x
2. Step 2: Convert to fraction form
   254,973.75/375,039 = 375,039/x
3. Step 3: Cross multiply
   254,973.75x = 375,039 × 375,039
4. Step 4: Simplify right side
   254,973.75x = 140,654,251,521
5. Step 5: Solve for x
   x = 140,654,251,521/254,973.75
6. Step 6: Final answer
   x = 551,642.09