Finding the Third Proportional to 199,603.50 and 433,113

Step by Step Solution

1. Step 1: Write the proportion equation
   199,603.50 : 433,113 = 433,113 : x
2. Step 2: Convert to fraction form
   199,603.50/433,113 = 433,113/x
3. Step 3: Cross multiply
   199,603.50x = 433,113 × 433,113
4. Step 4: Simplify right side
   199,603.50x = 187,586,870,769
5. Step 5: Solve for x
   x = 187,586,870,769/199,603.50
6. Step 6: Final answer
   x = 939,797.50