Finding the Third Proportional to 1,239,684 and 1,745,718

Step by Step Solution

1. Step 1: Write the proportion equation
   1,239,684 : 1,745,718 = 1,745,718 : x
2. Step 2: Convert to fraction form
   1,239,684/1,745,718 = 1,745,718/x
3. Step 3: Cross multiply
   1,239,684x = 1,745,718 × 1,745,718
4. Step 4: Simplify right side
   1,239,684x = 3,047,531,335,524
5. Step 5: Solve for x
   x = 3,047,531,335,524/1,239,684
6. Step 6: Final answer
   x = 2,458,313.03