Finding the Third Proportional to 3,655,570 and 7,921,268

Step by Step Solution

1. Step 1: Write the proportion equation
   3,655,570 : 7,921,268 = 7,921,268 : x
2. Step 2: Convert to fraction form
   3,655,570/7,921,268 = 7,921,268/x
3. Step 3: Cross multiply
   3,655,570x = 7,921,268 × 7,921,268
4. Step 4: Simplify right side
   3,655,570x = 62,746,486,727,824
5. Step 5: Solve for x
   x = 62,746,486,727,824/3,655,570
6. Step 6: Final answer
   x = 17,164,624.59