Finding the Third Proportional to 190,147.50 and 333,639

Step by Step Solution

1. Step 1: Write the proportion equation
   190,147.50 : 333,639 = 333,639 : x
2. Step 2: Convert to fraction form
   190,147.50/333,639 = 333,639/x
3. Step 3: Cross multiply
   190,147.50x = 333,639 × 333,639
4. Step 4: Simplify right side
   190,147.50x = 111,314,982,321
5. Step 5: Solve for x
   x = 111,314,982,321/190,147.50
6. Step 6: Final answer
   x = 585,413.86