Finding the Third Proportional to 407,020.50 and 598,338

Step by Step Solution

1. Step 1: Write the proportion equation
   407,020.50 : 598,338 = 598,338 : x
2. Step 2: Convert to fraction form
   407,020.50/598,338 = 598,338/x
3. Step 3: Cross multiply
   407,020.50x = 598,338 × 598,338
4. Step 4: Simplify right side
   407,020.50x = 358,008,362,244
5. Step 5: Solve for x
   x = 358,008,362,244/407,020.50
6. Step 6: Final answer
   x = 879,583.12