Finding the Third Proportional to 80,478 and 127,404.75

Step by Step Solution

1. Step 1: Write the proportion equation
   80,478 : 127,404.75 = 127,404.75 : x
2. Step 2: Convert to fraction form
   80,478/127,404.75 = 127,404.75/x
3. Step 3: Cross multiply
   80,478x = 127,404.75 × 127,404.75
4. Step 4: Simplify right side
   80,478x = 16,231,970,322.56
5. Step 5: Solve for x
   x = 16,231,970,322.56/80,478
6. Step 6: Final answer
   x = 201,694.50