Finding the Third Proportional to 2,112,105 and 4,542,507

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112,105 : 4,542,507 = 4,542,507 : x
2. Step 2: Convert to fraction form
   2,112,105/4,542,507 = 4,542,507/x
3. Step 3: Cross multiply
   2,112,105x = 4,542,507 × 4,542,507
4. Step 4: Simplify right side
   2,112,105x = 20,634,369,845,049
5. Step 5: Solve for x
   x = 20,634,369,845,049/2,112,105
6. Step 6: Final answer
   x = 9,769,575.78