Finding the Third Proportional to 1,857,809 and 2,871,253

Step by Step Solution

1. Step 1: Write the proportion equation
   1,857,809 : 2,871,253 = 2,871,253 : x
2. Step 2: Convert to fraction form
   1,857,809/2,871,253 = 2,871,253/x
3. Step 3: Cross multiply
   1,857,809x = 2,871,253 × 2,871,253
4. Step 4: Simplify right side
   1,857,809x = 8,244,093,790,009
5. Step 5: Solve for x
   x = 8,244,093,790,009/1,857,809
6. Step 6: Final answer
   x = 4,437,535.72