Finding the Third Proportional to 18,432.56 and 28,339.88

Step by Step Solution

1. Step 1: Write the proportion equation
   18,432.56 : 28,339.88 = 28,339.88 : x
2. Step 2: Convert to fraction form
   18,432.56/28,339.88 = 28,339.88/x
3. Step 3: Cross multiply
   18,432.56x = 28,339.88 × 28,339.88
4. Step 4: Simplify right side
   18,432.56x = 803,148,515.02
5. Step 5: Solve for x
   x = 803,148,515.02/18,432.56
6. Step 6: Final answer
   x = 43,572.27