Finding the Third Proportional to 4,709,126 and 9,844,636

Step by Step Solution

1. Step 1: Write the proportion equation
   4,709,126 : 9,844,636 = 9,844,636 : x
2. Step 2: Convert to fraction form
   4,709,126/9,844,636 = 9,844,636/x
3. Step 3: Cross multiply
   4,709,126x = 9,844,636 × 9,844,636
4. Step 4: Simplify right side
   4,709,126x = 96,916,857,972,496
5. Step 5: Solve for x
   x = 96,916,857,972,496/4,709,126
6. Step 6: Final answer
   x = 20,580,646.59