Finding the Third Proportional to 284,662 and 616,074

Step by Step Solution

1. Step 1: Write the proportion equation
   284,662 : 616,074 = 616,074 : x
2. Step 2: Convert to fraction form
   284,662/616,074 = 616,074/x
3. Step 3: Cross multiply
   284,662x = 616,074 × 616,074
4. Step 4: Simplify right side
   284,662x = 379,547,173,476
5. Step 5: Solve for x
   x = 379,547,173,476/284,662
6. Step 6: Final answer
   x = 1,333,325.75