Finding the Third Proportional to 162,665.75 and 243,041.50

Step by Step Solution

1. Step 1: Write the proportion equation
   162,665.75 : 243,041.50 = 243,041.50 : x
2. Step 2: Convert to fraction form
   162,665.75/243,041.50 = 243,041.50/x
3. Step 3: Cross multiply
   162,665.75x = 243,041.50 × 243,041.50
4. Step 4: Simplify right side
   162,665.75x = 59,069,170,722.25
5. Step 5: Solve for x
   x = 59,069,170,722.25/162,665.75
6. Step 6: Final answer
   x = 363,132.19