Finding the Third Proportional to 2,912,618 and 4,368,929

Step by Step Solution

1. Step 1: Write the proportion equation
   2,912,618 : 4,368,929 = 4,368,929 : x
2. Step 2: Convert to fraction form
   2,912,618/4,368,929 = 4,368,929/x
3. Step 3: Cross multiply
   2,912,618x = 4,368,929 × 4,368,929
4. Step 4: Simplify right side
   2,912,618x = 19,087,540,607,041
5. Step 5: Solve for x
   x = 19,087,540,607,041/2,912,618
6. Step 6: Final answer
   x = 6,553,396.50