Finding the Third Proportional to 51,069 and 71,499

Step by Step Solution

1. Step 1: Write the proportion equation
   51,069 : 71,499 = 71,499 : x
2. Step 2: Convert to fraction form
   51,069/71,499 = 71,499/x
3. Step 3: Cross multiply
   51,069x = 71,499 × 71,499
4. Step 4: Simplify right side
   51,069x = 5,112,107,001
5. Step 5: Solve for x
   x = 5,112,107,001/51,069
6. Step 6: Final answer
   x = 100,101.96