Finding the Third Proportional to 16,272 and 34,690

Step by Step Solution

1. Step 1: Write the proportion equation
   16,272 : 34,690 = 34,690 : x
2. Step 2: Convert to fraction form
   16,272/34,690 = 34,690/x
3. Step 3: Cross multiply
   16,272x = 34,690 × 34,690
4. Step 4: Simplify right side
   16,272x = 1,203,396,100
5. Step 5: Solve for x
   x = 1,203,396,100/16,272
6. Step 6: Final answer
   x = 73,955.02