Finding the Third Proportional to 18,411.75 and 28,336.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,411.75 : 28,336.50 = 28,336.50 : x
2. Step 2: Convert to fraction form
   18,411.75/28,336.50 = 28,336.50/x
3. Step 3: Cross multiply
   18,411.75x = 28,336.50 × 28,336.50
4. Step 4: Simplify right side
   18,411.75x = 802,957,232.25
5. Step 5: Solve for x
   x = 802,957,232.25/18,411.75
6. Step 6: Final answer
   x = 43,611.13