Finding the Third Proportional to 9,892,407 and 21,476,802

Step by Step Solution

1. Step 1: Write the proportion equation
   9,892,407 : 21,476,802 = 21,476,802 : x
2. Step 2: Convert to fraction form
   9,892,407/21,476,802 = 21,476,802/x
3. Step 3: Cross multiply
   9,892,407x = 21,476,802 × 21,476,802
4. Step 4: Simplify right side
   9,892,407x = 461,253,024,147,204
5. Step 5: Solve for x
   x = 461,253,024,147,204/9,892,407
6. Step 6: Final answer
   x = 46,626,976.04