Finding the Third Proportional to 199,645.50 and 433,008

Step by Step Solution

1. Step 1: Write the proportion equation
   199,645.50 : 433,008 = 433,008 : x
2. Step 2: Convert to fraction form
   199,645.50/433,008 = 433,008/x
3. Step 3: Cross multiply
   199,645.50x = 433,008 × 433,008
4. Step 4: Simplify right side
   199,645.50x = 187,495,928,064
5. Step 5: Solve for x
   x = 187,495,928,064/199,645.50
6. Step 6: Final answer
   x = 939,144.27