Finding the Third Proportional to 448,957 and 997,559.50

Step by Step Solution

1. Step 1: Write the proportion equation
   448,957 : 997,559.50 = 997,559.50 : x
2. Step 2: Convert to fraction form
   448,957/997,559.50 = 997,559.50/x
3. Step 3: Cross multiply
   448,957x = 997,559.50 × 997,559.50
4. Step 4: Simplify right side
   448,957x = 995,124,956,040.25
5. Step 5: Solve for x
   x = 995,124,956,040.25/448,957
6. Step 6: Final answer
   x = 2,216,526.21