Finding the Third Proportional to 13,902 and 30,572

Step by Step Solution

1. Step 1: Write the proportion equation
   13,902 : 30,572 = 30,572 : x
2. Step 2: Convert to fraction form
   13,902/30,572 = 30,572/x
3. Step 3: Cross multiply
   13,902x = 30,572 × 30,572
4. Step 4: Simplify right side
   13,902x = 934,647,184
5. Step 5: Solve for x
   x = 934,647,184/13,902
6. Step 6: Final answer
   x = 67,231.13