Finding the Third Proportional to 456,948 and 990,162

Step by Step Solution

1. Step 1: Write the proportion equation
   456,948 : 990,162 = 990,162 : x
2. Step 2: Convert to fraction form
   456,948/990,162 = 990,162/x
3. Step 3: Cross multiply
   456,948x = 990,162 × 990,162
4. Step 4: Simplify right side
   456,948x = 980,420,786,244
5. Step 5: Solve for x
   x = 980,420,786,244/456,948
6. Step 6: Final answer
   x = 2,145,585.03