Finding the Third Proportional to 284,332 and 612,404

Step by Step Solution

1. Step 1: Write the proportion equation
   284,332 : 612,404 = 612,404 : x
2. Step 2: Convert to fraction form
   284,332/612,404 = 612,404/x
3. Step 3: Cross multiply
   284,332x = 612,404 × 612,404
4. Step 4: Simplify right side
   284,332x = 375,038,659,216
5. Step 5: Solve for x
   x = 375,038,659,216/284,332
6. Step 6: Final answer
   x = 1,319,016.71