Finding the Third Proportional to 871,350 and 1,910,388

Step by Step Solution

1. Step 1: Write the proportion equation
   871,350 : 1,910,388 = 1,910,388 : x
2. Step 2: Convert to fraction form
   871,350/1,910,388 = 1,910,388/x
3. Step 3: Cross multiply
   871,350x = 1,910,388 × 1,910,388
4. Step 4: Simplify right side
   871,350x = 3,649,582,310,544
5. Step 5: Solve for x
   x = 3,649,582,310,544/871,350
6. Step 6: Final answer
   x = 4,188,422.92