Finding the Third Proportional to 2,070,378 and 4,505,238

Step by Step Solution

1. Step 1: Write the proportion equation
   2,070,378 : 4,505,238 = 4,505,238 : x
2. Step 2: Convert to fraction form
   2,070,378/4,505,238 = 4,505,238/x
3. Step 3: Cross multiply
   2,070,378x = 4,505,238 × 4,505,238
4. Step 4: Simplify right side
   2,070,378x = 20,297,169,436,644
5. Step 5: Solve for x
   x = 20,297,169,436,644/2,070,378
6. Step 6: Final answer
   x = 9,803,605.64