Finding the Third Proportional to 16,200 and 34,340

Step by Step Solution

1. Step 1: Write the proportion equation
   16,200 : 34,340 = 34,340 : x
2. Step 2: Convert to fraction form
   16,200/34,340 = 34,340/x
3. Step 3: Cross multiply
   16,200x = 34,340 × 34,340
4. Step 4: Simplify right side
   16,200x = 1,179,235,600
5. Step 5: Solve for x
   x = 1,179,235,600/16,200
6. Step 6: Final answer
   x = 72,792.32