Finding the Third Proportional to 1,857,814 and 2,871,261

Step by Step Solution

1. Step 1: Write the proportion equation
   1,857,814 : 2,871,261 = 2,871,261 : x
2. Step 2: Convert to fraction form
   1,857,814/2,871,261 = 2,871,261/x
3. Step 3: Cross multiply
   1,857,814x = 2,871,261 × 2,871,261
4. Step 4: Simplify right side
   1,857,814x = 8,244,139,730,121
5. Step 5: Solve for x
   x = 8,244,139,730,121/1,857,814
6. Step 6: Final answer
   x = 4,437,548.50