Finding the Third Proportional to 10,818.38 and 16,430.63

Step by Step Solution

1. Step 1: Write the proportion equation
   10,818.38 : 16,430.63 = 16,430.63 : x
2. Step 2: Convert to fraction form
   10,818.38/16,430.63 = 16,430.63/x
3. Step 3: Cross multiply
   10,818.38x = 16,430.63 × 16,430.63
4. Step 4: Simplify right side
   10,818.38x = 269,965,437.89
5. Step 5: Solve for x
   x = 269,965,437.89/10,818.38
6. Step 6: Final answer
   x = 24,954.34