Finding the Third Proportional to 63,933.75 and 86,557.50

Step by Step Solution

1. Step 1: Write the proportion equation
   63,933.75 : 86,557.50 = 86,557.50 : x
2. Step 2: Convert to fraction form
   63,933.75/86,557.50 = 86,557.50/x
3. Step 3: Cross multiply
   63,933.75x = 86,557.50 × 86,557.50
4. Step 4: Simplify right side
   63,933.75x = 7,492,200,806.25
5. Step 5: Solve for x
   x = 7,492,200,806.25/63,933.75
6. Step 6: Final answer
   x = 117,186.94