Finding the Third Proportional to 162,666 and 243,042.75

Step by Step Solution

1. Step 1: Write the proportion equation
   162,666 : 243,042.75 = 243,042.75 : x
2. Step 2: Convert to fraction form
   162,666/243,042.75 = 243,042.75/x
3. Step 3: Cross multiply
   162,666x = 243,042.75 × 243,042.75
4. Step 4: Simplify right side
   162,666x = 59,069,778,327.56
5. Step 5: Solve for x
   x = 59,069,778,327.56/162,666
6. Step 6: Final answer
   x = 363,135.37