Finding the Third Proportional to 3,489,813 and 7,297,470

Step by Step Solution

1. Step 1: Write the proportion equation
   3,489,813 : 7,297,470 = 7,297,470 : x
2. Step 2: Convert to fraction form
   3,489,813/7,297,470 = 7,297,470/x
3. Step 3: Cross multiply
   3,489,813x = 7,297,470 × 7,297,470
4. Step 4: Simplify right side
   3,489,813x = 53,253,068,400,900
5. Step 5: Solve for x
   x = 53,253,068,400,900/3,489,813
6. Step 6: Final answer
   x = 15,259,576.49