Finding the Third Proportional to 343,488 and 744,150

Step by Step Solution

1. Step 1: Write the proportion equation
   343,488 : 744,150 = 744,150 : x
2. Step 2: Convert to fraction form
   343,488/744,150 = 744,150/x
3. Step 3: Cross multiply
   343,488x = 744,150 × 744,150
4. Step 4: Simplify right side
   343,488x = 553,759,222,500
5. Step 5: Solve for x
   x = 553,759,222,500/343,488
6. Step 6: Final answer
   x = 1,612,164.68