Finding the Third Proportional to 12,894.19 and 18,521.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,894.19 : 18,521.16 = 18,521.16 : x
2. Step 2: Convert to fraction form
   12,894.19/18,521.16 = 18,521.16/x
3. Step 3: Cross multiply
   12,894.19x = 18,521.16 × 18,521.16
4. Step 4: Simplify right side
   12,894.19x = 343,033,228.84
5. Step 5: Solve for x
   x = 343,033,228.84/12,894.19
6. Step 6: Final answer
   x = 26,603.71