Finding the Third Proportional to 199,659 and 433,003.50

Step by Step Solution

1. Step 1: Write the proportion equation
   199,659 : 433,003.50 = 433,003.50 : x
2. Step 2: Convert to fraction form
   199,659/433,003.50 = 433,003.50/x
3. Step 3: Cross multiply
   199,659x = 433,003.50 × 433,003.50
4. Step 4: Simplify right side
   199,659x = 187,492,031,012.25
5. Step 5: Solve for x
   x = 187,492,031,012.25/199,659
6. Step 6: Final answer
   x = 939,061.25