Finding the Third Proportional to 63,674.50 and 86,169.50

Step by Step Solution

1. Step 1: Write the proportion equation
   63,674.50 : 86,169.50 = 86,169.50 : x
2. Step 2: Convert to fraction form
   63,674.50/86,169.50 = 86,169.50/x
3. Step 3: Cross multiply
   63,674.50x = 86,169.50 × 86,169.50
4. Step 4: Simplify right side
   63,674.50x = 7,425,182,730.25
5. Step 5: Solve for x
   x = 7,425,182,730.25/63,674.50
6. Step 6: Final answer
   x = 116,611.56