Finding the Third Proportional to 2,112,948 and 4,400,991

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112,948 : 4,400,991 = 4,400,991 : x
2. Step 2: Convert to fraction form
   2,112,948/4,400,991 = 4,400,991/x
3. Step 3: Cross multiply
   2,112,948x = 4,400,991 × 4,400,991
4. Step 4: Simplify right side
   2,112,948x = 19,368,721,782,081
5. Step 5: Solve for x
   x = 19,368,721,782,081/2,112,948
6. Step 6: Final answer
   x = 9,166,681.71