Finding the Third Proportional to 9,892,401 and 21,476,790

Step by Step Solution

1. Step 1: Write the proportion equation
   9,892,401 : 21,476,790 = 21,476,790 : x
2. Step 2: Convert to fraction form
   9,892,401/21,476,790 = 21,476,790/x
3. Step 3: Cross multiply
   9,892,401x = 21,476,790 × 21,476,790
4. Step 4: Simplify right side
   9,892,401x = 461,252,508,704,100
5. Step 5: Solve for x
   x = 461,252,508,704,100/9,892,401
6. Step 6: Final answer
   x = 46,626,952.21