Finding the Third Proportional to 9,892,400 and 21,476,788

Step by Step Solution

1. Step 1: Write the proportion equation
   9,892,400 : 21,476,788 = 21,476,788 : x
2. Step 2: Convert to fraction form
   9,892,400/21,476,788 = 21,476,788/x
3. Step 3: Cross multiply
   9,892,400x = 21,476,788 × 21,476,788
4. Step 4: Simplify right side
   9,892,400x = 461,252,422,796,944
5. Step 5: Solve for x
   x = 461,252,422,796,944/9,892,400
6. Step 6: Final answer
   x = 46,626,948.24