Finding the Third Proportional to 9,985,917 and 21,510,024

Step by Step Solution

1. Step 1: Write the proportion equation
   9,985,917 : 21,510,024 = 21,510,024 : x
2. Step 2: Convert to fraction form
   9,985,917/21,510,024 = 21,510,024/x
3. Step 3: Cross multiply
   9,985,917x = 21,510,024 × 21,510,024
4. Step 4: Simplify right side
   9,985,917x = 462,681,132,480,576
5. Step 5: Solve for x
   x = 462,681,132,480,576/9,985,917
6. Step 6: Final answer
   x = 46,333,364.53