Finding the Third Proportional to 1,238,445 and 1,743,993

Step by Step Solution

1. Step 1: Write the proportion equation
   1,238,445 : 1,743,993 = 1,743,993 : x
2. Step 2: Convert to fraction form
   1,238,445/1,743,993 = 1,743,993/x
3. Step 3: Cross multiply
   1,238,445x = 1,743,993 × 1,743,993
4. Step 4: Simplify right side
   1,238,445x = 3,041,511,584,049
5. Step 5: Solve for x
   x = 3,041,511,584,049/1,238,445
6. Step 6: Final answer
   x = 2,455,911.72