Finding the Third Proportional to 12,851.12 and 19,169.71

Step by Step Solution

1. Step 1: Write the proportion equation
   12,851.12 : 19,169.71 = 19,169.71 : x
2. Step 2: Convert to fraction form
   12,851.12/19,169.71 = 19,169.71/x
3. Step 3: Cross multiply
   12,851.12x = 19,169.71 × 19,169.71
4. Step 4: Simplify right side
   12,851.12x = 367,477,779.99
5. Step 5: Solve for x
   x = 367,477,779.99/12,851.12
6. Step 6: Final answer
   x = 28,595.01