Finding the Third Proportional to 1,570,128 and 3,388,944

Step by Step Solution

1. Step 1: Write the proportion equation
   1,570,128 : 3,388,944 = 3,388,944 : x
2. Step 2: Convert to fraction form
   1,570,128/3,388,944 = 3,388,944/x
3. Step 3: Cross multiply
   1,570,128x = 3,388,944 × 3,388,944
4. Step 4: Simplify right side
   1,570,128x = 11,484,941,435,136
5. Step 5: Solve for x
   x = 11,484,941,435,136/1,570,128
6. Step 6: Final answer
   x = 7,314,652.97