Finding the Third Proportional to 9,892,405 and 21,476,797

Step by Step Solution

1. Step 1: Write the proportion equation
   9,892,405 : 21,476,797 = 21,476,797 : x
2. Step 2: Convert to fraction form
   9,892,405/21,476,797 = 21,476,797/x
3. Step 3: Cross multiply
   9,892,405x = 21,476,797 × 21,476,797
4. Step 4: Simplify right side
   9,892,405x = 461,252,809,379,209
5. Step 5: Solve for x
   x = 461,252,809,379,209/9,892,405
6. Step 6: Final answer
   x = 46,626,963.75