Finding the Third Proportional to 1,446,421 and 3,110,529

Step by Step Solution

1. Step 1: Write the proportion equation
   1,446,421 : 3,110,529 = 3,110,529 : x
2. Step 2: Convert to fraction form
   1,446,421/3,110,529 = 3,110,529/x
3. Step 3: Cross multiply
   1,446,421x = 3,110,529 × 3,110,529
4. Step 4: Simplify right side
   1,446,421x = 9,675,390,659,841
5. Step 5: Solve for x
   x = 9,675,390,659,841/1,446,421
6. Step 6: Final answer
   x = 6,689,193.99