Finding the Third Proportional to 13,426 and 20,113

Step by Step Solution

1. Step 1: Write the proportion equation
   13,426 : 20,113 = 20,113 : x
2. Step 2: Convert to fraction form
   13,426/20,113 = 20,113/x
3. Step 3: Cross multiply
   13,426x = 20,113 × 20,113
4. Step 4: Simplify right side
   13,426x = 404,532,769
5. Step 5: Solve for x
   x = 404,532,769/13,426
6. Step 6: Final answer
   x = 30,130.55