Finding the Third Proportional to 2,128,224 and 2,871,360

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128,224 : 2,871,360 = 2,871,360 : x
2. Step 2: Convert to fraction form
   2,128,224/2,871,360 = 2,871,360/x
3. Step 3: Cross multiply
   2,128,224x = 2,871,360 × 2,871,360
4. Step 4: Simplify right side
   2,128,224x = 8,244,708,249,600
5. Step 5: Solve for x
   x = 8,244,708,249,600/2,128,224
6. Step 6: Final answer
   x = 3,873,985.19