Finding the Third Proportional to 166,574.25 and 254,002.50

Step by Step Solution

1. Step 1: Write the proportion equation
   166,574.25 : 254,002.50 = 254,002.50 : x
2. Step 2: Convert to fraction form
   166,574.25/254,002.50 = 254,002.50/x
3. Step 3: Cross multiply
   166,574.25x = 254,002.50 × 254,002.50
4. Step 4: Simplify right side
   166,574.25x = 64,517,270,006.25
5. Step 5: Solve for x
   x = 64,517,270,006.25/166,574.25
6. Step 6: Final answer
   x = 387,318.39