Finding the Third Proportional to 1,574,856 and 3,438,396

Step by Step Solution

1. Step 1: Write the proportion equation
   1,574,856 : 3,438,396 = 3,438,396 : x
2. Step 2: Convert to fraction form
   1,574,856/3,438,396 = 3,438,396/x
3. Step 3: Cross multiply
   1,574,856x = 3,438,396 × 3,438,396
4. Step 4: Simplify right side
   1,574,856x = 11,822,567,052,816
5. Step 5: Solve for x
   x = 11,822,567,052,816/1,574,856
6. Step 6: Final answer
   x = 7,507,078.14