Finding the Third Proportional to 2,128,036 and 2,871,078

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128,036 : 2,871,078 = 2,871,078 : x
2. Step 2: Convert to fraction form
   2,128,036/2,871,078 = 2,871,078/x
3. Step 3: Cross multiply
   2,128,036x = 2,871,078 × 2,871,078
4. Step 4: Simplify right side
   2,128,036x = 8,243,088,882,084
5. Step 5: Solve for x
   x = 8,243,088,882,084/2,128,036
6. Step 6: Final answer
   x = 3,873,566.46