Finding the Third Proportional to 166,432.50 and 270,396

Step by Step Solution

1. Step 1: Write the proportion equation
   166,432.50 : 270,396 = 270,396 : x
2. Step 2: Convert to fraction form
   166,432.50/270,396 = 270,396/x
3. Step 3: Cross multiply
   166,432.50x = 270,396 × 270,396
4. Step 4: Simplify right side
   166,432.50x = 73,113,996,816
5. Step 5: Solve for x
   x = 73,113,996,816/166,432.50
6. Step 6: Final answer
   x = 439,301.20