Finding the Third Proportional to 12,684 and 28,088

Step by Step Solution

1. Step 1: Write the proportion equation
   12,684 : 28,088 = 28,088 : x
2. Step 2: Convert to fraction form
   12,684/28,088 = 28,088/x
3. Step 3: Cross multiply
   12,684x = 28,088 × 28,088
4. Step 4: Simplify right side
   12,684x = 788,935,744
5. Step 5: Solve for x
   x = 788,935,744/12,684
6. Step 6: Final answer
   x = 62,199.29