Finding the Third Proportional to 1,807,877 and 2,647,123

Step by Step Solution

1. Step 1: Write the proportion equation
   1,807,877 : 2,647,123 = 2,647,123 : x
2. Step 2: Convert to fraction form
   1,807,877/2,647,123 = 2,647,123/x
3. Step 3: Cross multiply
   1,807,877x = 2,647,123 × 2,647,123
4. Step 4: Simplify right side
   1,807,877x = 7,007,260,177,129
5. Step 5: Solve for x
   x = 7,007,260,177,129/1,807,877
6. Step 6: Final answer
   x = 3,875,960.69