Finding the Third Proportional to 1,945,310 and 2,910,189

Step by Step Solution

1. Step 1: Write the proportion equation
   1,945,310 : 2,910,189 = 2,910,189 : x
2. Step 2: Convert to fraction form
   1,945,310/2,910,189 = 2,910,189/x
3. Step 3: Cross multiply
   1,945,310x = 2,910,189 × 2,910,189
4. Step 4: Simplify right side
   1,945,310x = 8,469,200,015,721
5. Step 5: Solve for x
   x = 8,469,200,015,721/1,945,310
6. Step 6: Final answer
   x = 4,353,650.58