Finding the Third Proportional to 2,112,309 and 4,561,353

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112,309 : 4,561,353 = 4,561,353 : x
2. Step 2: Convert to fraction form
   2,112,309/4,561,353 = 4,561,353/x
3. Step 3: Cross multiply
   2,112,309x = 4,561,353 × 4,561,353
4. Step 4: Simplify right side
   2,112,309x = 20,805,941,190,609
5. Step 5: Solve for x
   x = 20,805,941,190,609/2,112,309
6. Step 6: Final answer
   x = 9,849,856.81