Finding the Third Proportional to 455,550 and 996,900

Step by Step Solution

1. Step 1: Write the proportion equation
   455,550 : 996,900 = 996,900 : x
2. Step 2: Convert to fraction form
   455,550/996,900 = 996,900/x
3. Step 3: Cross multiply
   455,550x = 996,900 × 996,900
4. Step 4: Simplify right side
   455,550x = 993,809,610,000
5. Step 5: Solve for x
   x = 993,809,610,000/455,550
6. Step 6: Final answer
   x = 2,181,559.89