Finding the Third Proportional to 453,438 and 996,300

Step by Step Solution

1. Step 1: Write the proportion equation
   453,438 : 996,300 = 996,300 : x
2. Step 2: Convert to fraction form
   453,438/996,300 = 996,300/x
3. Step 3: Cross multiply
   453,438x = 996,300 × 996,300
4. Step 4: Simplify right side
   453,438x = 992,613,690,000
5. Step 5: Solve for x
   x = 992,613,690,000/453,438
6. Step 6: Final answer
   x = 2,189,083.60