Finding the Third Proportional to 12,521.25 and 18,646.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,521.25 : 18,646.88 = 18,646.88 : x
2. Step 2: Convert to fraction form
   12,521.25/18,646.88 = 18,646.88/x
3. Step 3: Cross multiply
   12,521.25x = 18,646.88 × 18,646.88
4. Step 4: Simplify right side
   12,521.25x = 347,705,947.27
5. Step 5: Solve for x
   x = 347,705,947.27/12,521.25
6. Step 6: Final answer
   x = 27,769.27