Finding the Third Proportional to 37,872.56 and 79,845.75

Step by Step Solution

1. Step 1: Write the proportion equation
   37,872.56 : 79,845.75 = 79,845.75 : x
2. Step 2: Convert to fraction form
   37,872.56/79,845.75 = 79,845.75/x
3. Step 3: Cross multiply
   37,872.56x = 79,845.75 × 79,845.75
4. Step 4: Simplify right side
   37,872.56x = 6,375,343,793.06
5. Step 5: Solve for x
   x = 6,375,343,793.06/37,872.56
6. Step 6: Final answer
   x = 168,336.74