Finding the Third Proportional to 199,411.50 and 433,815

Step by Step Solution

1. Step 1: Write the proportion equation
   199,411.50 : 433,815 = 433,815 : x
2. Step 2: Convert to fraction form
   199,411.50/433,815 = 433,815/x
3. Step 3: Cross multiply
   199,411.50x = 433,815 × 433,815
4. Step 4: Simplify right side
   199,411.50x = 188,195,454,225
5. Step 5: Solve for x
   x = 188,195,454,225/199,411.50
6. Step 6: Final answer
   x = 943,754.27