Finding the Third Proportional to 13,859 and 30,634

Step by Step Solution

1. Step 1: Write the proportion equation
   13,859 : 30,634 = 30,634 : x
2. Step 2: Convert to fraction form
   13,859/30,634 = 30,634/x
3. Step 3: Cross multiply
   13,859x = 30,634 × 30,634
4. Step 4: Simplify right side
   13,859x = 938,441,956
5. Step 5: Solve for x
   x = 938,441,956/13,859
6. Step 6: Final answer
   x = 67,713.54