Finding the Third Proportional to 3,600,720 and 7,819,632

Step by Step Solution

1. Step 1: Write the proportion equation
   3,600,720 : 7,819,632 = 7,819,632 : x
2. Step 2: Convert to fraction form
   3,600,720/7,819,632 = 7,819,632/x
3. Step 3: Cross multiply
   3,600,720x = 7,819,632 × 7,819,632
4. Step 4: Simplify right side
   3,600,720x = 61,146,644,615,424
5. Step 5: Solve for x
   x = 61,146,644,615,424/3,600,720
6. Step 6: Final answer
   x = 16,981,782.70