Finding the Third Proportional to 72,290 and 108,051

Step by Step Solution

1. Step 1: Write the proportion equation
   72,290 : 108,051 = 108,051 : x
2. Step 2: Convert to fraction form
   72,290/108,051 = 108,051/x
3. Step 3: Cross multiply
   72,290x = 108,051 × 108,051
4. Step 4: Simplify right side
   72,290x = 11,675,018,601
5. Step 5: Solve for x
   x = 11,675,018,601/72,290
6. Step 6: Final answer
   x = 161,502.54