Finding the Third Proportional to 9,892,398 and 21,476,784

Step by Step Solution

1. Step 1: Write the proportion equation
   9,892,398 : 21,476,784 = 21,476,784 : x
2. Step 2: Convert to fraction form
   9,892,398/21,476,784 = 21,476,784/x
3. Step 3: Cross multiply
   9,892,398x = 21,476,784 × 21,476,784
4. Step 4: Simplify right side
   9,892,398x = 461,252,250,982,656
5. Step 5: Solve for x
   x = 461,252,250,982,656/9,892,398
6. Step 6: Final answer
   x = 46,626,940.30