Finding the Third Proportional to 1,979,476 and 4,238,888

Step by Step Solution

1. Step 1: Write the proportion equation
   1,979,476 : 4,238,888 = 4,238,888 : x
2. Step 2: Convert to fraction form
   1,979,476/4,238,888 = 4,238,888/x
3. Step 3: Cross multiply
   1,979,476x = 4,238,888 × 4,238,888
4. Step 4: Simplify right side
   1,979,476x = 17,968,171,476,544
5. Step 5: Solve for x
   x = 17,968,171,476,544/1,979,476
6. Step 6: Final answer
   x = 9,077,236.34