Finding the Third Proportional to 3,390,651 and 5,085,983

Step by Step Solution

1. Step 1: Write the proportion equation
   3,390,651 : 5,085,983 = 5,085,983 : x
2. Step 2: Convert to fraction form
   3,390,651/5,085,983 = 5,085,983/x
3. Step 3: Cross multiply
   3,390,651x = 5,085,983 × 5,085,983
4. Step 4: Simplify right side
   3,390,651x = 25,867,223,076,289
5. Step 5: Solve for x
   x = 25,867,223,076,289/3,390,651
6. Step 6: Final answer
   x = 7,628,984.25