Finding the Third Proportional to 42,069 and 62,739

Step by Step Solution

1. Step 1: Write the proportion equation
   42,069 : 62,739 = 62,739 : x
2. Step 2: Convert to fraction form
   42,069/62,739 = 62,739/x
3. Step 3: Cross multiply
   42,069x = 62,739 × 62,739
4. Step 4: Simplify right side
   42,069x = 3,936,182,121
5. Step 5: Solve for x
   x = 3,936,182,121/42,069
6. Step 6: Final answer
   x = 93,564.91