Finding the Third Proportional to 807,744 and 1,245,300

Step by Step Solution

1. Step 1: Write the proportion equation
   807,744 : 1,245,300 = 1,245,300 : x
2. Step 2: Convert to fraction form
   807,744/1,245,300 = 1,245,300/x
3. Step 3: Cross multiply
   807,744x = 1,245,300 × 1,245,300
4. Step 4: Simplify right side
   807,744x = 1,550,772,090,000
5. Step 5: Solve for x
   x = 1,550,772,090,000/807,744
6. Step 6: Final answer
   x = 1,919,880.67