Finding the Third Proportional to 162,668 and 243,045.50

Step by Step Solution

1. Step 1: Write the proportion equation
   162,668 : 243,045.50 = 243,045.50 : x
2. Step 2: Convert to fraction form
   162,668/243,045.50 = 243,045.50/x
3. Step 3: Cross multiply
   162,668x = 243,045.50 × 243,045.50
4. Step 4: Simplify right side
   162,668x = 59,071,115,070.25
5. Step 5: Solve for x
   x = 59,071,115,070.25/162,668
6. Step 6: Final answer
   x = 363,139.12