Finding the Third Proportional to 4,102,868 and 8,928,184

Step by Step Solution

1. Step 1: Write the proportion equation
   4,102,868 : 8,928,184 = 8,928,184 : x
2. Step 2: Convert to fraction form
   4,102,868/8,928,184 = 8,928,184/x
3. Step 3: Cross multiply
   4,102,868x = 8,928,184 × 8,928,184
4. Step 4: Simplify right side
   4,102,868x = 79,712,469,537,856
5. Step 5: Solve for x
   x = 79,712,469,537,856/4,102,868
6. Step 6: Final answer
   x = 19,428,475.29