Finding the Third Proportional to 81,085.50 and 121,302

Step by Step Solution

1. Step 1: Write the proportion equation
   81,085.50 : 121,302 = 121,302 : x
2. Step 2: Convert to fraction form
   81,085.50/121,302 = 121,302/x
3. Step 3: Cross multiply
   81,085.50x = 121,302 × 121,302
4. Step 4: Simplify right side
   81,085.50x = 14,714,175,204
5. Step 5: Solve for x
   x = 14,714,175,204/81,085.50
6. Step 6: Final answer
   x = 181,464.94