Finding the Third Proportional to 871,518 and 1,887,804

Step by Step Solution

1. Step 1: Write the proportion equation
   871,518 : 1,887,804 = 1,887,804 : x
2. Step 2: Convert to fraction form
   871,518/1,887,804 = 1,887,804/x
3. Step 3: Cross multiply
   871,518x = 1,887,804 × 1,887,804
4. Step 4: Simplify right side
   871,518x = 3,563,803,942,416
5. Step 5: Solve for x
   x = 3,563,803,942,416/871,518
6. Step 6: Final answer
   x = 4,089,191.44