Finding the Third Proportional to 448,958 and 997,561.50

Step by Step Solution

1. Step 1: Write the proportion equation
   448,958 : 997,561.50 = 997,561.50 : x
2. Step 2: Convert to fraction form
   448,958/997,561.50 = 997,561.50/x
3. Step 3: Cross multiply
   448,958x = 997,561.50 × 997,561.50
4. Step 4: Simplify right side
   448,958x = 995,128,946,282.25
5. Step 5: Solve for x
   x = 995,128,946,282.25/448,958
6. Step 6: Final answer
   x = 2,216,530.16