Finding the Third Proportional to 72,080 and 108,012

Step by Step Solution

1. Step 1: Write the proportion equation
   72,080 : 108,012 = 108,012 : x
2. Step 2: Convert to fraction form
   72,080/108,012 = 108,012/x
3. Step 3: Cross multiply
   72,080x = 108,012 × 108,012
4. Step 4: Simplify right side
   72,080x = 11,666,592,144
5. Step 5: Solve for x
   x = 11,666,592,144/72,080
6. Step 6: Final answer
   x = 161,856.16