Finding the Third Proportional to 408,501 and 599,017.50

Step by Step Solution

1. Step 1: Write the proportion equation
   408,501 : 599,017.50 = 599,017.50 : x
2. Step 2: Convert to fraction form
   408,501/599,017.50 = 599,017.50/x
3. Step 3: Cross multiply
   408,501x = 599,017.50 × 599,017.50
4. Step 4: Simplify right side
   408,501x = 358,821,965,306.25
5. Step 5: Solve for x
   x = 358,821,965,306.25/408,501
6. Step 6: Final answer
   x = 878,386.99