Finding the Third Proportional to 612,404 and 1,313,400

Step by Step Solution

1. Step 1: Write the proportion equation
   612,404 : 1,313,400 = 1,313,400 : x
2. Step 2: Convert to fraction form
   612,404/1,313,400 = 1,313,400/x
3. Step 3: Cross multiply
   612,404x = 1,313,400 × 1,313,400
4. Step 4: Simplify right side
   612,404x = 1,725,019,560,000
5. Step 5: Solve for x
   x = 1,725,019,560,000/612,404
6. Step 6: Final answer
   x = 2,816,799.96