Finding the Third Proportional to 458,142 and 997,600.50

Step by Step Solution

1. Step 1: Write the proportion equation
   458,142 : 997,600.50 = 997,600.50 : x
2. Step 2: Convert to fraction form
   458,142/997,600.50 = 997,600.50/x
3. Step 3: Cross multiply
   458,142x = 997,600.50 × 997,600.50
4. Step 4: Simplify right side
   458,142x = 995,206,757,600.25
5. Step 5: Solve for x
   x = 995,206,757,600.25/458,142
6. Step 6: Final answer
   x = 2,172,267.02