Finding the Third Proportional to 871,344 and 1,887,432

Step by Step Solution

1. Step 1: Write the proportion equation
   871,344 : 1,887,432 = 1,887,432 : x
2. Step 2: Convert to fraction form
   871,344/1,887,432 = 1,887,432/x
3. Step 3: Cross multiply
   871,344x = 1,887,432 × 1,887,432
4. Step 4: Simplify right side
   871,344x = 3,562,399,554,624
5. Step 5: Solve for x
   x = 3,562,399,554,624/871,344
6. Step 6: Final answer
   x = 4,088,396.26