Finding the Third Proportional to 277,099.50 and 446,250

Step by Step Solution

1. Step 1: Write the proportion equation
   277,099.50 : 446,250 = 446,250 : x
2. Step 2: Convert to fraction form
   277,099.50/446,250 = 446,250/x
3. Step 3: Cross multiply
   277,099.50x = 446,250 × 446,250
4. Step 4: Simplify right side
   277,099.50x = 199,139,062,500
5. Step 5: Solve for x
   x = 199,139,062,500/277,099.50
6. Step 6: Final answer
   x = 718,655.44