Finding the Third Proportional to 18,793.90 and 28,098.77

Step by Step Solution

1. Step 1: Write the proportion equation
   18,793.90 : 28,098.77 = 28,098.77 : x
2. Step 2: Convert to fraction form
   18,793.90/28,098.77 = 28,098.77/x
3. Step 3: Cross multiply
   18,793.90x = 28,098.77 × 28,098.77
4. Step 4: Simplify right side
   18,793.90x = 789,541,068.69
5. Step 5: Solve for x
   x = 789,541,068.69/18,793.90
6. Step 6: Final answer
   x = 42,010.50