Finding the Third Proportional to 2,000,207 and 4,238,456

Step by Step Solution

1. Step 1: Write the proportion equation
   2,000,207 : 4,238,456 = 4,238,456 : x
2. Step 2: Convert to fraction form
   2,000,207/4,238,456 = 4,238,456/x
3. Step 3: Cross multiply
   2,000,207x = 4,238,456 × 4,238,456
4. Step 4: Simplify right side
   2,000,207x = 17,964,509,263,936
5. Step 5: Solve for x
   x = 17,964,509,263,936/2,000,207
6. Step 6: Final answer
   x = 8,981,325.06