Finding the Third Proportional to 12,904.88 and 17,488.13

Step by Step Solution

1. Step 1: Write the proportion equation
   12,904.88 : 17,488.13 = 17,488.13 : x
2. Step 2: Convert to fraction form
   12,904.88/17,488.13 = 17,488.13/x
3. Step 3: Cross multiply
   12,904.88x = 17,488.13 × 17,488.13
4. Step 4: Simplify right side
   12,904.88x = 305,834,516.02
5. Step 5: Solve for x
   x = 305,834,516.02/12,904.88
6. Step 6: Final answer
   x = 23,699.15