Finding the Third Proportional to 9,892,422 and 21,476,826

Step by Step Solution

1. Step 1: Write the proportion equation
   9,892,422 : 21,476,826 = 21,476,826 : x
2. Step 2: Convert to fraction form
   9,892,422/21,476,826 = 21,476,826/x
3. Step 3: Cross multiply
   9,892,422x = 21,476,826 × 21,476,826
4. Step 4: Simplify right side
   9,892,422x = 461,254,055,034,276
5. Step 5: Solve for x
   x = 461,254,055,034,276/9,892,422
6. Step 6: Final answer
   x = 46,627,009.55