Finding the Third Proportional to 37,039 and 79,870

Step by Step Solution

1. Step 1: Write the proportion equation
   37,039 : 79,870 = 79,870 : x
2. Step 2: Convert to fraction form
   37,039/79,870 = 79,870/x
3. Step 3: Cross multiply
   37,039x = 79,870 × 79,870
4. Step 4: Simplify right side
   37,039x = 6,379,216,900
5. Step 5: Solve for x
   x = 6,379,216,900/37,039
6. Step 6: Final answer
   x = 172,229.73