Finding the Third Proportional to 81,279 and 116,005.50

Step by Step Solution

1. Step 1: Write the proportion equation
   81,279 : 116,005.50 = 116,005.50 : x
2. Step 2: Convert to fraction form
   81,279/116,005.50 = 116,005.50/x
3. Step 3: Cross multiply
   81,279x = 116,005.50 × 116,005.50
4. Step 4: Simplify right side
   81,279x = 13,457,276,030.25
5. Step 5: Solve for x
   x = 13,457,276,030.25/81,279
6. Step 6: Final answer
   x = 165,568.92