Finding the Third Proportional to 840,832 and 1,868,288

Step by Step Solution

1. Step 1: Write the proportion equation
   840,832 : 1,868,288 = 1,868,288 : x
2. Step 2: Convert to fraction form
   840,832/1,868,288 = 1,868,288/x
3. Step 3: Cross multiply
   840,832x = 1,868,288 × 1,868,288
4. Step 4: Simplify right side
   840,832x = 3,490,500,050,944
5. Step 5: Solve for x
   x = 3,490,500,050,944/840,832
6. Step 6: Final answer
   x = 4,151,245.49