Finding the Third Proportional to 13,878 and 30,522

Step by Step Solution

1. Step 1: Write the proportion equation
   13,878 : 30,522 = 30,522 : x
2. Step 2: Convert to fraction form
   13,878/30,522 = 30,522/x
3. Step 3: Cross multiply
   13,878x = 30,522 × 30,522
4. Step 4: Simplify right side
   13,878x = 931,592,484
5. Step 5: Solve for x
   x = 931,592,484/13,878
6. Step 6: Final answer
   x = 67,127.29