Finding the Third Proportional to 2,112,458 and 4,561,606

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112,458 : 4,561,606 = 4,561,606 : x
2. Step 2: Convert to fraction form
   2,112,458/4,561,606 = 4,561,606/x
3. Step 3: Cross multiply
   2,112,458x = 4,561,606 × 4,561,606
4. Step 4: Simplify right side
   2,112,458x = 20,808,249,299,236
5. Step 5: Solve for x
   x = 20,808,249,299,236/2,112,458
6. Step 6: Final answer
   x = 9,850,254.68