Finding the Third Proportional to 16,216,634 and 21,842,701

Step by Step Solution

1. Step 1: Write the proportion equation
   16,216,634 : 21,842,701 = 21,842,701 : x
2. Step 2: Convert to fraction form
   16,216,634/21,842,701 = 21,842,701/x
3. Step 3: Cross multiply
   16,216,634x = 21,842,701 × 21,842,701
4. Step 4: Simplify right side
   16,216,634x = 477,103,586,975,401
5. Step 5: Solve for x
   x = 477,103,586,975,401/16,216,634
6. Step 6: Final answer
   x = 29,420,629.89