Finding the Third Proportional to 19,209.38 and 28,535.63

Step by Step Solution

1. Step 1: Write the proportion equation
   19,209.38 : 28,535.63 = 28,535.63 : x
2. Step 2: Convert to fraction form
   19,209.38/28,535.63 = 28,535.63/x
3. Step 3: Cross multiply
   19,209.38x = 28,535.63 × 28,535.63
4. Step 4: Simplify right side
   19,209.38x = 814,281,894.14
5. Step 5: Solve for x
   x = 814,281,894.14/19,209.38
6. Step 6: Final answer
   x = 42,389.82