Finding the Third Proportional to 1,859,439 and 2,871,171

Step by Step Solution

1. Step 1: Write the proportion equation
   1,859,439 : 2,871,171 = 2,871,171 : x
2. Step 2: Convert to fraction form
   1,859,439/2,871,171 = 2,871,171/x
3. Step 3: Cross multiply
   1,859,439x = 2,871,171 × 2,871,171
4. Step 4: Simplify right side
   1,859,439x = 8,243,622,911,241
5. Step 5: Solve for x
   x = 8,243,622,911,241/1,859,439
6. Step 6: Final answer
   x = 4,433,392.50