Finding the Third Proportional to 12,709.13 and 19,063.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,709.13 : 19,063.69 = 19,063.69 : x
2. Step 2: Convert to fraction form
   12,709.13/19,063.69 = 19,063.69/x
3. Step 3: Cross multiply
   12,709.13x = 19,063.69 × 19,063.69
4. Step 4: Simplify right side
   12,709.13x = 363,424,181.10
5. Step 5: Solve for x
   x = 363,424,181.10/12,709.13
6. Step 6: Final answer
   x = 28,595.53