Finding the Third Proportional to 18,775.88 and 28,105.13

Step by Step Solution

1. Step 1: Write the proportion equation
   18,775.88 : 28,105.13 = 28,105.13 : x
2. Step 2: Convert to fraction form
   18,775.88/28,105.13 = 28,105.13/x
3. Step 3: Cross multiply
   18,775.88x = 28,105.13 × 28,105.13
4. Step 4: Simplify right side
   18,775.88x = 789,898,051.27
5. Step 5: Solve for x
   x = 789,898,051.27/18,775.88
6. Step 6: Final answer
   x = 42,069.84