Finding the Third Proportional to 15,211.50 and 32,686.50

Step by Step Solution

1. Step 1: Write the proportion equation
   15,211.50 : 32,686.50 = 32,686.50 : x
2. Step 2: Convert to fraction form
   15,211.50/32,686.50 = 32,686.50/x
3. Step 3: Cross multiply
   15,211.50x = 32,686.50 × 32,686.50
4. Step 4: Simplify right side
   15,211.50x = 1,068,407,282.25
5. Step 5: Solve for x
   x = 1,068,407,282.25/15,211.50
6. Step 6: Final answer
   x = 70,236.81