Finding the Third Proportional to 871,240 and 1,875,972

Step by Step Solution

1. Step 1: Write the proportion equation
   871,240 : 1,875,972 = 1,875,972 : x
2. Step 2: Convert to fraction form
   871,240/1,875,972 = 1,875,972/x
3. Step 3: Cross multiply
   871,240x = 1,875,972 × 1,875,972
4. Step 4: Simplify right side
   871,240x = 3,519,270,944,784
5. Step 5: Solve for x
   x = 3,519,270,944,784/871,240
6. Step 6: Final answer
   x = 4,039,381.74