Finding the Third Proportional to 10,669.78 and 16,151.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,669.78 : 16,151.39 = 16,151.39 : x
2. Step 2: Convert to fraction form
   10,669.78/16,151.39 = 16,151.39/x
3. Step 3: Cross multiply
   10,669.78x = 16,151.39 × 16,151.39
4. Step 4: Simplify right side
   10,669.78x = 260,867,419.12
5. Step 5: Solve for x
   x = 260,867,419.12/10,669.78
6. Step 6: Final answer
   x = 24,449.18