Finding the Third Proportional to 37,118.25 and 79,980.75

Step by Step Solution

1. Step 1: Write the proportion equation
   37,118.25 : 79,980.75 = 79,980.75 : x
2. Step 2: Convert to fraction form
   37,118.25/79,980.75 = 79,980.75/x
3. Step 3: Cross multiply
   37,118.25x = 79,980.75 × 79,980.75
4. Step 4: Simplify right side
   37,118.25x = 6,396,920,370.56
5. Step 5: Solve for x
   x = 6,396,920,370.56/37,118.25
6. Step 6: Final answer
   x = 172,338.95