Finding the Third Proportional to 81,610.88 and 179,772

Step by Step Solution

1. Step 1: Write the proportion equation
   81,610.88 : 179,772 = 179,772 : x
2. Step 2: Convert to fraction form
   81,610.88/179,772 = 179,772/x
3. Step 3: Cross multiply
   81,610.88x = 179,772 × 179,772
4. Step 4: Simplify right side
   81,610.88x = 32,317,971,984
5. Step 5: Solve for x
   x = 32,317,971,984/81,610.88
6. Step 6: Final answer
   x = 396,000.80