Finding the Third Proportional to 39,036 and 60,420

Step by Step Solution

1. Step 1: Write the proportion equation
   39,036 : 60,420 = 60,420 : x
2. Step 2: Convert to fraction form
   39,036/60,420 = 60,420/x
3. Step 3: Cross multiply
   39,036x = 60,420 × 60,420
4. Step 4: Simplify right side
   39,036x = 3,650,576,400
5. Step 5: Solve for x
   x = 3,650,576,400/39,036
6. Step 6: Final answer
   x = 93,518.20