Finding the Third Proportional to 1,615,389 and 3,524,160

Step by Step Solution

1. Step 1: Write the proportion equation
   1,615,389 : 3,524,160 = 3,524,160 : x
2. Step 2: Convert to fraction form
   1,615,389/3,524,160 = 3,524,160/x
3. Step 3: Cross multiply
   1,615,389x = 3,524,160 × 3,524,160
4. Step 4: Simplify right side
   1,615,389x = 12,419,703,705,600
5. Step 5: Solve for x
   x = 12,419,703,705,600/1,615,389
6. Step 6: Final answer
   x = 7,688,367.14