Finding the Third Proportional to 12,636 and 22,113

Step by Step Solution

1. Step 1: Write the proportion equation
   12,636 : 22,113 = 22,113 : x
2. Step 2: Convert to fraction form
   12,636/22,113 = 22,113/x
3. Step 3: Cross multiply
   12,636x = 22,113 × 22,113
4. Step 4: Simplify right side
   12,636x = 488,984,769
5. Step 5: Solve for x
   x = 488,984,769/12,636
6. Step 6: Final answer
   x = 38,697.75