Finding the Third Proportional to 18,445.50 and 28,339.50

Step by Step Solution

1. Step 1: Write the proportion equation
   18,445.50 : 28,339.50 = 28,339.50 : x
2. Step 2: Convert to fraction form
   18,445.50/28,339.50 = 28,339.50/x
3. Step 3: Cross multiply
   18,445.50x = 28,339.50 × 28,339.50
4. Step 4: Simplify right side
   18,445.50x = 803,127,260.25
5. Step 5: Solve for x
   x = 803,127,260.25/18,445.50
6. Step 6: Final answer
   x = 43,540.55