Finding the Third Proportional to 154,962 and 339,403.50

Step by Step Solution

1. Step 1: Write the proportion equation
   154,962 : 339,403.50 = 339,403.50 : x
2. Step 2: Convert to fraction form
   154,962/339,403.50 = 339,403.50/x
3. Step 3: Cross multiply
   154,962x = 339,403.50 × 339,403.50
4. Step 4: Simplify right side
   154,962x = 115,194,735,812.25
5. Step 5: Solve for x
   x = 115,194,735,812.25/154,962
6. Step 6: Final answer
   x = 743,374.09