Finding the Third Proportional to 455,570 and 996,945

Step by Step Solution

1. Step 1: Write the proportion equation
   455,570 : 996,945 = 996,945 : x
2. Step 2: Convert to fraction form
   455,570/996,945 = 996,945/x
3. Step 3: Cross multiply
   455,570x = 996,945 × 996,945
4. Step 4: Simplify right side
   455,570x = 993,899,333,025
5. Step 5: Solve for x
   x = 993,899,333,025/455,570
6. Step 6: Final answer
   x = 2,181,661.07