Finding the Third Proportional to 412,965 and 605,800.50

Step by Step Solution

1. Step 1: Write the proportion equation
   412,965 : 605,800.50 = 605,800.50 : x
2. Step 2: Convert to fraction form
   412,965/605,800.50 = 605,800.50/x
3. Step 3: Cross multiply
   412,965x = 605,800.50 × 605,800.50
4. Step 4: Simplify right side
   412,965x = 366,994,245,800.25
5. Step 5: Solve for x
   x = 366,994,245,800.25/412,965
6. Step 6: Final answer
   x = 888,681.23