Finding the Third Proportional to 1,819.13 and 3,925.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,819.13 : 3,925.31 = 3,925.31 : x
2. Step 2: Convert to fraction form
   1,819.13/3,925.31 = 3,925.31/x
3. Step 3: Cross multiply
   1,819.13x = 3,925.31 × 3,925.31
4. Step 4: Simplify right side
   1,819.13x = 15,408,078.22
5. Step 5: Solve for x
   x = 15,408,078.22/1,819.13
6. Step 6: Final answer
   x = 8,470.05