Finding the Third Proportional to 10,111,423 and 21,640,022

Step by Step Solution

1. Step 1: Write the proportion equation
   10,111,423 : 21,640,022 = 21,640,022 : x
2. Step 2: Convert to fraction form
   10,111,423/21,640,022 = 21,640,022/x
3. Step 3: Cross multiply
   10,111,423x = 21,640,022 × 21,640,022
4. Step 4: Simplify right side
   10,111,423x = 468,290,552,160,484
5. Step 5: Solve for x
   x = 468,290,552,160,484/10,111,423
6. Step 6: Final answer
   x = 46,313,021.64