Finding the Third Proportional to 19,155.38 and 28,759.22

Step by Step Solution

1. Step 1: Write the proportion equation
   19,155.38 : 28,759.22 = 28,759.22 : x
2. Step 2: Convert to fraction form
   19,155.38/28,759.22 = 28,759.22/x
3. Step 3: Cross multiply
   19,155.38x = 28,759.22 × 28,759.22
4. Step 4: Simplify right side
   19,155.38x = 827,092,663.11
5. Step 5: Solve for x
   x = 827,092,663.11/19,155.38
6. Step 6: Final answer
   x = 43,178.10