Finding the Third Proportional to 12,612 and 21,462

Step by Step Solution

1. Step 1: Write the proportion equation
   12,612 : 21,462 = 21,462 : x
2. Step 2: Convert to fraction form
   12,612/21,462 = 21,462/x
3. Step 3: Cross multiply
   12,612x = 21,462 × 21,462
4. Step 4: Simplify right side
   12,612x = 460,617,444
5. Step 5: Solve for x
   x = 460,617,444/12,612
6. Step 6: Final answer
   x = 36,522.16