Finding the Third Proportional to 13,896 and 30,645

Step by Step Solution

1. Step 1: Write the proportion equation
   13,896 : 30,645 = 30,645 : x
2. Step 2: Convert to fraction form
   13,896/30,645 = 30,645/x
3. Step 3: Cross multiply
   13,896x = 30,645 × 30,645
4. Step 4: Simplify right side
   13,896x = 939,116,025
5. Step 5: Solve for x
   x = 939,116,025/13,896
6. Step 6: Final answer
   x = 67,581.75