Finding the Third Proportional to 81,861.89 and 122,287.22

Step by Step Solution

1. Step 1: Write the proportion equation
   81,861.89 : 122,287.22 = 122,287.22 : x
2. Step 2: Convert to fraction form
   81,861.89/122,287.22 = 122,287.22/x
3. Step 3: Cross multiply
   81,861.89x = 122,287.22 × 122,287.22
4. Step 4: Simplify right side
   81,861.89x = 14,954,163,869.61
5. Step 5: Solve for x
   x = 14,954,163,869.61/81,861.89
6. Step 6: Final answer
   x = 182,675.53