Finding the Third Proportional to 871,516 and 1,887,800

Step by Step Solution

1. Step 1: Write the proportion equation
   871,516 : 1,887,800 = 1,887,800 : x
2. Step 2: Convert to fraction form
   871,516/1,887,800 = 1,887,800/x
3. Step 3: Cross multiply
   871,516x = 1,887,800 × 1,887,800
4. Step 4: Simplify right side
   871,516x = 3,563,788,840,000
5. Step 5: Solve for x
   x = 3,563,788,840,000/871,516
6. Step 6: Final answer
   x = 4,089,183.49