Finding the Third Proportional to 1,553,706 and 3,389,856

Step by Step Solution

1. Step 1: Write the proportion equation
   1,553,706 : 3,389,856 = 3,389,856 : x
2. Step 2: Convert to fraction form
   1,553,706/3,389,856 = 3,389,856/x
3. Step 3: Cross multiply
   1,553,706x = 3,389,856 × 3,389,856
4. Step 4: Simplify right side
   1,553,706x = 11,491,123,700,736
5. Step 5: Solve for x
   x = 11,491,123,700,736/1,553,706
6. Step 6: Final answer
   x = 7,395,944.73