Finding the Third Proportional to 117,040.50 and 254,008.50

Step by Step Solution

1. Step 1: Write the proportion equation
   117,040.50 : 254,008.50 = 254,008.50 : x
2. Step 2: Convert to fraction form
   117,040.50/254,008.50 = 254,008.50/x
3. Step 3: Cross multiply
   117,040.50x = 254,008.50 × 254,008.50
4. Step 4: Simplify right side
   117,040.50x = 64,520,318,072.25
5. Step 5: Solve for x
   x = 64,520,318,072.25/117,040.50
6. Step 6: Final answer
   x = 551,264.89