Finding the Third Proportional to 9,865,620 and 21,524,010

Step by Step Solution

1. Step 1: Write the proportion equation
   9,865,620 : 21,524,010 = 21,524,010 : x
2. Step 2: Convert to fraction form
   9,865,620/21,524,010 = 21,524,010/x
3. Step 3: Cross multiply
   9,865,620x = 21,524,010 × 21,524,010
4. Step 4: Simplify right side
   9,865,620x = 463,283,006,480,100
5. Step 5: Solve for x
   x = 463,283,006,480,100/9,865,620
6. Step 6: Final answer
   x = 46,959,340.26