Finding the Third Proportional to 86,535 and 131,044.50

Step by Step Solution

1. Step 1: Write the proportion equation
   86,535 : 131,044.50 = 131,044.50 : x
2. Step 2: Convert to fraction form
   86,535/131,044.50 = 131,044.50/x
3. Step 3: Cross multiply
   86,535x = 131,044.50 × 131,044.50
4. Step 4: Simplify right side
   86,535x = 17,172,660,980.25
5. Step 5: Solve for x
   x = 17,172,660,980.25/86,535
6. Step 6: Final answer
   x = 198,447.58