Finding the Third Proportional to 9,571,513 and 21,002,766

Step by Step Solution

1. Step 1: Write the proportion equation
   9,571,513 : 21,002,766 = 21,002,766 : x
2. Step 2: Convert to fraction form
   9,571,513/21,002,766 = 21,002,766/x
3. Step 3: Cross multiply
   9,571,513x = 21,002,766 × 21,002,766
4. Step 4: Simplify right side
   9,571,513x = 441,116,179,650,756
5. Step 5: Solve for x
   x = 441,116,179,650,756/9,571,513
6. Step 6: Final answer
   x = 46,086,358.52