Finding the Third Proportional to 454,104 and 648,168.75

Step by Step Solution

1. Step 1: Write the proportion equation
   454,104 : 648,168.75 = 648,168.75 : x
2. Step 2: Convert to fraction form
   454,104/648,168.75 = 648,168.75/x
3. Step 3: Cross multiply
   454,104x = 648,168.75 × 648,168.75
4. Step 4: Simplify right side
   454,104x = 420,122,728,476.56
5. Step 5: Solve for x
   x = 420,122,728,476.56/454,104
6. Step 6: Final answer
   x = 925,168.53