Finding the Third Proportional to 4,709,418 and 10,171,704

Step by Step Solution

1. Step 1: Write the proportion equation
   4,709,418 : 10,171,704 = 10,171,704 : x
2. Step 2: Convert to fraction form
   4,709,418/10,171,704 = 10,171,704/x
3. Step 3: Cross multiply
   4,709,418x = 10,171,704 × 10,171,704
4. Step 4: Simplify right side
   4,709,418x = 103,463,562,263,616
5. Step 5: Solve for x
   x = 103,463,562,263,616/4,709,418
6. Step 6: Final answer
   x = 21,969,500.75