Finding the Third Proportional to 34,072 and 52,890

Step by Step Solution

1. Step 1: Write the proportion equation
   34,072 : 52,890 = 52,890 : x
2. Step 2: Convert to fraction form
   34,072/52,890 = 52,890/x
3. Step 3: Cross multiply
   34,072x = 52,890 × 52,890
4. Step 4: Simplify right side
   34,072x = 2,797,352,100
5. Step 5: Solve for x
   x = 2,797,352,100/34,072
6. Step 6: Final answer
   x = 82,101.20