Finding the Third Proportional to 81,364.50 and 118,314

Step by Step Solution

1. Step 1: Write the proportion equation
   81,364.50 : 118,314 = 118,314 : x
2. Step 2: Convert to fraction form
   81,364.50/118,314 = 118,314/x
3. Step 3: Cross multiply
   81,364.50x = 118,314 × 118,314
4. Step 4: Simplify right side
   81,364.50x = 13,998,202,596
5. Step 5: Solve for x
   x = 13,998,202,596/81,364.50
6. Step 6: Final answer
   x = 172,043.12