Finding the Third Proportional to 17,939 and 35,418

Step by Step Solution

1. Step 1: Write the proportion equation
   17,939 : 35,418 = 35,418 : x
2. Step 2: Convert to fraction form
   17,939/35,418 = 35,418/x
3. Step 3: Cross multiply
   17,939x = 35,418 × 35,418
4. Step 4: Simplify right side
   17,939x = 1,254,434,724
5. Step 5: Solve for x
   x = 1,254,434,724/17,939
6. Step 6: Final answer
   x = 69,927.80