Finding the Third Proportional to 465,480 and 664,410.75

Step by Step Solution

1. Step 1: Write the proportion equation
   465,480 : 664,410.75 = 664,410.75 : x
2. Step 2: Convert to fraction form
   465,480/664,410.75 = 664,410.75/x
3. Step 3: Cross multiply
   465,480x = 664,410.75 × 664,410.75
4. Step 4: Simplify right side
   465,480x = 441,441,644,715.56
5. Step 5: Solve for x
   x = 441,441,644,715.56/465,480
6. Step 6: Final answer
   x = 948,357.92