Finding the Third Proportional to 72,483 and 108,288

Step by Step Solution

1. Step 1: Write the proportion equation
   72,483 : 108,288 = 108,288 : x
2. Step 2: Convert to fraction form
   72,483/108,288 = 108,288/x
3. Step 3: Cross multiply
   72,483x = 108,288 × 108,288
4. Step 4: Simplify right side
   72,483x = 11,726,290,944
5. Step 5: Solve for x
   x = 11,726,290,944/72,483
6. Step 6: Final answer
   x = 161,779.88