Finding the Third Proportional to 455,509 and 996,826

Step by Step Solution

1. Step 1: Write the proportion equation
   455,509 : 996,826 = 996,826 : x
2. Step 2: Convert to fraction form
   455,509/996,826 = 996,826/x
3. Step 3: Cross multiply
   455,509x = 996,826 × 996,826
4. Step 4: Simplify right side
   455,509x = 993,662,074,276
5. Step 5: Solve for x
   x = 993,662,074,276/455,509
6. Step 6: Final answer
   x = 2,181,432.36