Finding the Third Proportional to 3,537,120 and 7,578,960

Step by Step Solution

1. Step 1: Write the proportion equation
   3,537,120 : 7,578,960 = 7,578,960 : x
2. Step 2: Convert to fraction form
   3,537,120/7,578,960 = 7,578,960/x
3. Step 3: Cross multiply
   3,537,120x = 7,578,960 × 7,578,960
4. Step 4: Simplify right side
   3,537,120x = 57,440,634,681,600
5. Step 5: Solve for x
   x = 57,440,634,681,600/3,537,120
6. Step 6: Final answer
   x = 16,239,379.69