Finding the Third Proportional to 154,846 and 339,216.50

Step by Step Solution

1. Step 1: Write the proportion equation
   154,846 : 339,216.50 = 339,216.50 : x
2. Step 2: Convert to fraction form
   154,846/339,216.50 = 339,216.50/x
3. Step 3: Cross multiply
   154,846x = 339,216.50 × 339,216.50
4. Step 4: Simplify right side
   154,846x = 115,067,833,872.25
5. Step 5: Solve for x
   x = 115,067,833,872.25/154,846
6. Step 6: Final answer
   x = 743,111.44