Finding the Third Proportional to 45,388 and 69,042

Step by Step Solution

1. Step 1: Write the proportion equation
   45,388 : 69,042 = 69,042 : x
2. Step 2: Convert to fraction form
   45,388/69,042 = 69,042/x
3. Step 3: Cross multiply
   45,388x = 69,042 × 69,042
4. Step 4: Simplify right side
   45,388x = 4,766,797,764
5. Step 5: Solve for x
   x = 4,766,797,764/45,388
6. Step 6: Final answer
   x = 105,023.30