Finding the Third Proportional to 39,150 and 52,443

Step by Step Solution

1. Step 1: Write the proportion equation
   39,150 : 52,443 = 52,443 : x
2. Step 2: Convert to fraction form
   39,150/52,443 = 52,443/x
3. Step 3: Cross multiply
   39,150x = 52,443 × 52,443
4. Step 4: Simplify right side
   39,150x = 2,750,268,249
5. Step 5: Solve for x
   x = 2,750,268,249/39,150
6. Step 6: Final answer
   x = 70,249.51