Finding the Third Proportional to 10,669.31 and 16,485.19

Step by Step Solution

1. Step 1: Write the proportion equation
   10,669.31 : 16,485.19 = 16,485.19 : x
2. Step 2: Convert to fraction form
   10,669.31/16,485.19 = 16,485.19/x
3. Step 3: Cross multiply
   10,669.31x = 16,485.19 × 16,485.19
4. Step 4: Simplify right side
   10,669.31x = 271,761,406.91
5. Step 5: Solve for x
   x = 271,761,406.91/10,669.31
6. Step 6: Final answer
   x = 25,471.31