Finding the Third Proportional to 16,886 and 26,090

Step by Step Solution

1. Step 1: Write the proportion equation
   16,886 : 26,090 = 26,090 : x
2. Step 2: Convert to fraction form
   16,886/26,090 = 26,090/x
3. Step 3: Cross multiply
   16,886x = 26,090 × 26,090
4. Step 4: Simplify right side
   16,886x = 680,688,100
5. Step 5: Solve for x
   x = 680,688,100/16,886
6. Step 6: Final answer
   x = 40,310.80