Finding the Third Proportional to 155,875.50 and 251,028

Step by Step Solution

1. Step 1: Write the proportion equation
   155,875.50 : 251,028 = 251,028 : x
2. Step 2: Convert to fraction form
   155,875.50/251,028 = 251,028/x
3. Step 3: Cross multiply
   155,875.50x = 251,028 × 251,028
4. Step 4: Simplify right side
   155,875.50x = 63,015,056,784
5. Step 5: Solve for x
   x = 63,015,056,784/155,875.50
6. Step 6: Final answer
   x = 404,265.31