Finding the Third Proportional to 3,687,228 and 7,520,804

Step by Step Solution

1. Step 1: Write the proportion equation
   3,687,228 : 7,520,804 = 7,520,804 : x
2. Step 2: Convert to fraction form
   3,687,228/7,520,804 = 7,520,804/x
3. Step 3: Cross multiply
   3,687,228x = 7,520,804 × 7,520,804
4. Step 4: Simplify right side
   3,687,228x = 56,562,492,806,416
5. Step 5: Solve for x
   x = 56,562,492,806,416/3,687,228
6. Step 6: Final answer
   x = 15,340,112.63