Finding the Third Proportional to 9,772,426 and 21,059,526

Step by Step Solution

1. Step 1: Write the proportion equation
   9,772,426 : 21,059,526 = 21,059,526 : x
2. Step 2: Convert to fraction form
   9,772,426/21,059,526 = 21,059,526/x
3. Step 3: Cross multiply
   9,772,426x = 21,059,526 × 21,059,526
4. Step 4: Simplify right side
   9,772,426x = 443,503,635,344,676
5. Step 5: Solve for x
   x = 443,503,635,344,676/9,772,426
6. Step 6: Final answer
   x = 45,383,166.41