Finding the Third Proportional to 301,887 and 646,044.75

Step by Step Solution

1. Step 1: Write the proportion equation
   301,887 : 646,044.75 = 646,044.75 : x
2. Step 2: Convert to fraction form
   301,887/646,044.75 = 646,044.75/x
3. Step 3: Cross multiply
   301,887x = 646,044.75 × 646,044.75
4. Step 4: Simplify right side
   301,887x = 417,373,819,002.56
5. Step 5: Solve for x
   x = 417,373,819,002.56/301,887
6. Step 6: Final answer
   x = 1,382,549.82