Finding the Third Proportional to 162,787.50 and 252,036

Step by Step Solution

1. Step 1: Write the proportion equation
   162,787.50 : 252,036 = 252,036 : x
2. Step 2: Convert to fraction form
   162,787.50/252,036 = 252,036/x
3. Step 3: Cross multiply
   162,787.50x = 252,036 × 252,036
4. Step 4: Simplify right side
   162,787.50x = 63,522,145,296
5. Step 5: Solve for x
   x = 63,522,145,296/162,787.50
6. Step 6: Final answer
   x = 390,215.13