Finding the Third Proportional to 4,543,922 and 9,943,144

Step by Step Solution

1. Step 1: Write the proportion equation
   4,543,922 : 9,943,144 = 9,943,144 : x
2. Step 2: Convert to fraction form
   4,543,922/9,943,144 = 9,943,144/x
3. Step 3: Cross multiply
   4,543,922x = 9,943,144 × 9,943,144
4. Step 4: Simplify right side
   4,543,922x = 98,866,112,604,736
5. Step 5: Solve for x
   x = 98,866,112,604,736/4,543,922
6. Step 6: Final answer
   x = 21,757,880.66