Finding the Third Proportional to 455,507 and 996,822

Step by Step Solution

1. Step 1: Write the proportion equation
   455,507 : 996,822 = 996,822 : x
2. Step 2: Convert to fraction form
   455,507/996,822 = 996,822/x
3. Step 3: Cross multiply
   455,507x = 996,822 × 996,822
4. Step 4: Simplify right side
   455,507x = 993,654,099,684
5. Step 5: Solve for x
   x = 993,654,099,684/455,507
6. Step 6: Final answer
   x = 2,181,424.43