Finding the Third Proportional to 1,722,380 and 3,707,992

Step by Step Solution

1. Step 1: Write the proportion equation
   1,722,380 : 3,707,992 = 3,707,992 : x
2. Step 2: Convert to fraction form
   1,722,380/3,707,992 = 3,707,992/x
3. Step 3: Cross multiply
   1,722,380x = 3,707,992 × 3,707,992
4. Step 4: Simplify right side
   1,722,380x = 13,749,204,672,064
5. Step 5: Solve for x
   x = 13,749,204,672,064/1,722,380
6. Step 6: Final answer
   x = 7,982,677.85