Finding the Third Proportional to 301,374 and 664,078.50

Step by Step Solution

1. Step 1: Write the proportion equation
   301,374 : 664,078.50 = 664,078.50 : x
2. Step 2: Convert to fraction form
   301,374/664,078.50 = 664,078.50/x
3. Step 3: Cross multiply
   301,374x = 664,078.50 × 664,078.50
4. Step 4: Simplify right side
   301,374x = 441,000,254,162.25
5. Step 5: Solve for x
   x = 441,000,254,162.25/301,374
6. Step 6: Final answer
   x = 1,463,298.94