Finding the Third Proportional to 871,860 and 1,847,436

Step by Step Solution

1. Step 1: Write the proportion equation
   871,860 : 1,847,436 = 1,847,436 : x
2. Step 2: Convert to fraction form
   871,860/1,847,436 = 1,847,436/x
3. Step 3: Cross multiply
   871,860x = 1,847,436 × 1,847,436
4. Step 4: Simplify right side
   871,860x = 3,413,019,774,096
5. Step 5: Solve for x
   x = 3,413,019,774,096/871,860
6. Step 6: Final answer
   x = 3,914,642.00