Finding the Third Proportional to 3,307,592 and 7,121,929

Step by Step Solution

1. Step 1: Write the proportion equation
   3,307,592 : 7,121,929 = 7,121,929 : x
2. Step 2: Convert to fraction form
   3,307,592/7,121,929 = 7,121,929/x
3. Step 3: Cross multiply
   3,307,592x = 7,121,929 × 7,121,929
4. Step 4: Simplify right side
   3,307,592x = 50,721,872,681,041
5. Step 5: Solve for x
   x = 50,721,872,681,041/3,307,592
6. Step 6: Final answer
   x = 15,334,984.69