Finding the Third Proportional to 199,498.50 and 433,989

Step by Step Solution

1. Step 1: Write the proportion equation
   199,498.50 : 433,989 = 433,989 : x
2. Step 2: Convert to fraction form
   199,498.50/433,989 = 433,989/x
3. Step 3: Cross multiply
   199,498.50x = 433,989 × 433,989
4. Step 4: Simplify right side
   199,498.50x = 188,346,452,121
5. Step 5: Solve for x
   x = 188,346,452,121/199,498.50
6. Step 6: Final answer
   x = 944,099.59