Finding the Third Proportional to 276,019.50 and 416,652

Step by Step Solution

1. Step 1: Write the proportion equation
   276,019.50 : 416,652 = 416,652 : x
2. Step 2: Convert to fraction form
   276,019.50/416,652 = 416,652/x
3. Step 3: Cross multiply
   276,019.50x = 416,652 × 416,652
4. Step 4: Simplify right side
   276,019.50x = 173,598,889,104
5. Step 5: Solve for x
   x = 173,598,889,104/276,019.50
6. Step 6: Final answer
   x = 628,937.05