Finding the Third Proportional to 37,158 and 52,821

Step by Step Solution

1. Step 1: Write the proportion equation
   37,158 : 52,821 = 52,821 : x
2. Step 2: Convert to fraction form
   37,158/52,821 = 52,821/x
3. Step 3: Cross multiply
   37,158x = 52,821 × 52,821
4. Step 4: Simplify right side
   37,158x = 2,790,058,041
5. Step 5: Solve for x
   x = 2,790,058,041/37,158
6. Step 6: Final answer
   x = 75,086.34