Finding the Third Proportional to 4,121,042 and 9,029,404

Step by Step Solution

1. Step 1: Write the proportion equation
   4,121,042 : 9,029,404 = 9,029,404 : x
2. Step 2: Convert to fraction form
   4,121,042/9,029,404 = 9,029,404/x
3. Step 3: Cross multiply
   4,121,042x = 9,029,404 × 9,029,404
4. Step 4: Simplify right side
   4,121,042x = 81,530,136,595,216
5. Step 5: Solve for x
   x = 81,530,136,595,216/4,121,042
6. Step 6: Final answer
   x = 19,783,864.52