Finding the Third Proportional to 72,196 and 108,610

Step by Step Solution

1. Step 1: Write the proportion equation
   72,196 : 108,610 = 108,610 : x
2. Step 2: Convert to fraction form
   72,196/108,610 = 108,610/x
3. Step 3: Cross multiply
   72,196x = 108,610 × 108,610
4. Step 4: Simplify right side
   72,196x = 11,796,132,100
5. Step 5: Solve for x
   x = 11,796,132,100/72,196
6. Step 6: Final answer
   x = 163,390.38