Finding the Third Proportional to 37,788 and 80,760

Step by Step Solution

1. Step 1: Write the proportion equation
   37,788 : 80,760 = 80,760 : x
2. Step 2: Convert to fraction form
   37,788/80,760 = 80,760/x
3. Step 3: Cross multiply
   37,788x = 80,760 × 80,760
4. Step 4: Simplify right side
   37,788x = 6,522,177,600
5. Step 5: Solve for x
   x = 6,522,177,600/37,788
6. Step 6: Final answer
   x = 172,599.17