Finding the Third Proportional to 459,142 and 996,910

Step by Step Solution

1. Step 1: Write the proportion equation
   459,142 : 996,910 = 996,910 : x
2. Step 2: Convert to fraction form
   459,142/996,910 = 996,910/x
3. Step 3: Cross multiply
   459,142x = 996,910 × 996,910
4. Step 4: Simplify right side
   459,142x = 993,829,548,100
5. Step 5: Solve for x
   x = 993,829,548,100/459,142
6. Step 6: Final answer
   x = 2,164,536.35