Finding the Third Proportional to 1,722,406 and 4,023,040

Step by Step Solution

1. Step 1: Write the proportion equation
   1,722,406 : 4,023,040 = 4,023,040 : x
2. Step 2: Convert to fraction form
   1,722,406/4,023,040 = 4,023,040/x
3. Step 3: Cross multiply
   1,722,406x = 4,023,040 × 4,023,040
4. Step 4: Simplify right side
   1,722,406x = 16,184,850,841,600
5. Step 5: Solve for x
   x = 16,184,850,841,600/1,722,406
6. Step 6: Final answer
   x = 9,396,652.61