Finding the Third Proportional to 10,420,996 and 21,961,736

Step by Step Solution

1. Step 1: Write the proportion equation
   10,420,996 : 21,961,736 = 21,961,736 : x
2. Step 2: Convert to fraction form
   10,420,996/21,961,736 = 21,961,736/x
3. Step 3: Cross multiply
   10,420,996x = 21,961,736 × 21,961,736
4. Step 4: Simplify right side
   10,420,996x = 482,317,848,133,696
5. Step 5: Solve for x
   x = 482,317,848,133,696/10,420,996
6. Step 6: Final answer
   x = 46,283,277.35