Finding the Third Proportional to 3,521,004 and 7,420,290

Step by Step Solution

1. Step 1: Write the proportion equation
   3,521,004 : 7,420,290 = 7,420,290 : x
2. Step 2: Convert to fraction form
   3,521,004/7,420,290 = 7,420,290/x
3. Step 3: Cross multiply
   3,521,004x = 7,420,290 × 7,420,290
4. Step 4: Simplify right side
   3,521,004x = 55,060,703,684,100
5. Step 5: Solve for x
   x = 55,060,703,684,100/3,521,004
6. Step 6: Final answer
   x = 15,637,785.04