Finding the Third Proportional to 199,543.50 and 432,993

Step by Step Solution

1. Step 1: Write the proportion equation
   199,543.50 : 432,993 = 432,993 : x
2. Step 2: Convert to fraction form
   199,543.50/432,993 = 432,993/x
3. Step 3: Cross multiply
   199,543.50x = 432,993 × 432,993
4. Step 4: Simplify right side
   199,543.50x = 187,482,938,049
5. Step 5: Solve for x
   x = 187,482,938,049/199,543.50
6. Step 6: Final answer
   x = 939,559.23