Finding the Third Proportional to 2,117,170 and 4,507,446

Step by Step Solution

1. Step 1: Write the proportion equation
   2,117,170 : 4,507,446 = 4,507,446 : x
2. Step 2: Convert to fraction form
   2,117,170/4,507,446 = 4,507,446/x
3. Step 3: Cross multiply
   2,117,170x = 4,507,446 × 4,507,446
4. Step 4: Simplify right side
   2,117,170x = 20,317,069,442,916
5. Step 5: Solve for x
   x = 20,317,069,442,916/2,117,170
6. Step 6: Final answer
   x = 9,596,333.52