Finding the Third Proportional to 871,315 and 1,887,382

Step by Step Solution

1. Step 1: Write the proportion equation
   871,315 : 1,887,382 = 1,887,382 : x
2. Step 2: Convert to fraction form
   871,315/1,887,382 = 1,887,382/x
3. Step 3: Cross multiply
   871,315x = 1,887,382 × 1,887,382
4. Step 4: Simplify right side
   871,315x = 3,562,210,813,924
5. Step 5: Solve for x
   x = 3,562,210,813,924/871,315
6. Step 6: Final answer
   x = 4,088,315.72