Finding the Third Proportional to 2,988,528 and 6,396,960

Step by Step Solution

1. Step 1: Write the proportion equation
   2,988,528 : 6,396,960 = 6,396,960 : x
2. Step 2: Convert to fraction form
   2,988,528/6,396,960 = 6,396,960/x
3. Step 3: Cross multiply
   2,988,528x = 6,396,960 × 6,396,960
4. Step 4: Simplify right side
   2,988,528x = 40,921,097,241,600
5. Step 5: Solve for x
   x = 40,921,097,241,600/2,988,528
6. Step 6: Final answer
   x = 13,692,726.73