Finding the Third Proportional to 254,971.50 and 375,034.50

Step by Step Solution

1. Step 1: Write the proportion equation
   254,971.50 : 375,034.50 = 375,034.50 : x
2. Step 2: Convert to fraction form
   254,971.50/375,034.50 = 375,034.50/x
3. Step 3: Cross multiply
   254,971.50x = 375,034.50 × 375,034.50
4. Step 4: Simplify right side
   254,971.50x = 140,650,876,190.25
5. Step 5: Solve for x
   x = 140,650,876,190.25/254,971.50
6. Step 6: Final answer
   x = 551,633.72