Finding the Third Proportional to 18,827.16 and 28,241.72

Step by Step Solution

1. Step 1: Write the proportion equation
   18,827.16 : 28,241.72 = 28,241.72 : x
2. Step 2: Convert to fraction form
   18,827.16/28,241.72 = 28,241.72/x
3. Step 3: Cross multiply
   18,827.16x = 28,241.72 × 28,241.72
4. Step 4: Simplify right side
   18,827.16x = 797,594,677.95
5. Step 5: Solve for x
   x = 797,594,677.95/18,827.16
6. Step 6: Final answer
   x = 42,364.05