Finding the Third Proportional to 2,189,171 and 4,790,677

Step by Step Solution

1. Step 1: Write the proportion equation
   2,189,171 : 4,790,677 = 4,790,677 : x
2. Step 2: Convert to fraction form
   2,189,171/4,790,677 = 4,790,677/x
3. Step 3: Cross multiply
   2,189,171x = 4,790,677 × 4,790,677
4. Step 4: Simplify right side
   2,189,171x = 22,950,586,118,329
5. Step 5: Solve for x
   x = 22,950,586,118,329/2,189,171
6. Step 6: Final answer
   x = 10,483,688.17