Finding the Third Proportional to 4,709,406 and 10,171,677

Step by Step Solution

1. Step 1: Write the proportion equation
   4,709,406 : 10,171,677 = 10,171,677 : x
2. Step 2: Convert to fraction form
   4,709,406/10,171,677 = 10,171,677/x
3. Step 3: Cross multiply
   4,709,406x = 10,171,677 × 10,171,677
4. Step 4: Simplify right side
   4,709,406x = 103,463,012,992,329
5. Step 5: Solve for x
   x = 103,463,012,992,329/4,709,406
6. Step 6: Final answer
   x = 21,969,440.09