Finding the Third Proportional to 443,961 and 628,204.50

Step by Step Solution

1. Step 1: Write the proportion equation
   443,961 : 628,204.50 = 628,204.50 : x
2. Step 2: Convert to fraction form
   443,961/628,204.50 = 628,204.50/x
3. Step 3: Cross multiply
   443,961x = 628,204.50 × 628,204.50
4. Step 4: Simplify right side
   443,961x = 394,640,893,820.25
5. Step 5: Solve for x
   x = 394,640,893,820.25/443,961
6. Step 6: Final answer
   x = 888,908.92