Finding the Third Proportional to 86,761.50 and 118,198.50

Step by Step Solution

1. Step 1: Write the proportion equation
   86,761.50 : 118,198.50 = 118,198.50 : x
2. Step 2: Convert to fraction form
   86,761.50/118,198.50 = 118,198.50/x
3. Step 3: Cross multiply
   86,761.50x = 118,198.50 × 118,198.50
4. Step 4: Simplify right side
   86,761.50x = 13,970,885,402.25
5. Step 5: Solve for x
   x = 13,970,885,402.25/86,761.50
6. Step 6: Final answer
   x = 161,026.32