Finding the Third Proportional to 1,807,370 and 3,912,288

Step by Step Solution

1. Step 1: Write the proportion equation
   1,807,370 : 3,912,288 = 3,912,288 : x
2. Step 2: Convert to fraction form
   1,807,370/3,912,288 = 3,912,288/x
3. Step 3: Cross multiply
   1,807,370x = 3,912,288 × 3,912,288
4. Step 4: Simplify right side
   1,807,370x = 15,305,997,394,944
5. Step 5: Solve for x
   x = 15,305,997,394,944/1,807,370
6. Step 6: Final answer
   x = 8,468,657.44