Finding the Third Proportional to 16,584 and 34,140

Step by Step Solution

1. Step 1: Write the proportion equation
   16,584 : 34,140 = 34,140 : x
2. Step 2: Convert to fraction form
   16,584/34,140 = 34,140/x
3. Step 3: Cross multiply
   16,584x = 34,140 × 34,140
4. Step 4: Simplify right side
   16,584x = 1,165,539,600
5. Step 5: Solve for x
   x = 1,165,539,600/16,584
6. Step 6: Final answer
   x = 70,280.97