Finding the Third Proportional to 4,411,043 and 9,554,890

Step by Step Solution

1. Step 1: Write the proportion equation
   4,411,043 : 9,554,890 = 9,554,890 : x
2. Step 2: Convert to fraction form
   4,411,043/9,554,890 = 9,554,890/x
3. Step 3: Cross multiply
   4,411,043x = 9,554,890 × 9,554,890
4. Step 4: Simplify right side
   4,411,043x = 91,295,922,912,100
5. Step 5: Solve for x
   x = 91,295,922,912,100/4,411,043
6. Step 6: Final answer
   x = 20,697,128.30