Finding the Third Proportional to 12,638 and 28,084

Step by Step Solution

1. Step 1: Write the proportion equation
   12,638 : 28,084 = 28,084 : x
2. Step 2: Convert to fraction form
   12,638/28,084 = 28,084/x
3. Step 3: Cross multiply
   12,638x = 28,084 × 28,084
4. Step 4: Simplify right side
   12,638x = 788,711,056
5. Step 5: Solve for x
   x = 788,711,056/12,638
6. Step 6: Final answer
   x = 62,407.90