Finding the Third Proportional to 1,900,664 and 4,135,938

Step by Step Solution

1. Step 1: Write the proportion equation
   1,900,664 : 4,135,938 = 4,135,938 : x
2. Step 2: Convert to fraction form
   1,900,664/4,135,938 = 4,135,938/x
3. Step 3: Cross multiply
   1,900,664x = 4,135,938 × 4,135,938
4. Step 4: Simplify right side
   1,900,664x = 17,105,983,139,844
5. Step 5: Solve for x
   x = 17,105,983,139,844/1,900,664
6. Step 6: Final answer
   x = 9,000,003.76