Finding the Third Proportional to 16,902 and 34,986

Step by Step Solution

1. Step 1: Write the proportion equation
   16,902 : 34,986 = 34,986 : x
2. Step 2: Convert to fraction form
   16,902/34,986 = 34,986/x
3. Step 3: Cross multiply
   16,902x = 34,986 × 34,986
4. Step 4: Simplify right side
   16,902x = 1,224,020,196
5. Step 5: Solve for x
   x = 1,224,020,196/16,902
6. Step 6: Final answer
   x = 72,418.66