Finding the Third Proportional to 4,017,040 and 5,618,664

Step by Step Solution

1. Step 1: Write the proportion equation
   4,017,040 : 5,618,664 = 5,618,664 : x
2. Step 2: Convert to fraction form
   4,017,040/5,618,664 = 5,618,664/x
3. Step 3: Cross multiply
   4,017,040x = 5,618,664 × 5,618,664
4. Step 4: Simplify right side
   4,017,040x = 31,569,385,144,896
5. Step 5: Solve for x
   x = 31,569,385,144,896/4,017,040
6. Step 6: Final answer
   x = 7,858,867.51