Finding the Third Proportional to 154,198 and 337,920.50

Step by Step Solution

1. Step 1: Write the proportion equation
   154,198 : 337,920.50 = 337,920.50 : x
2. Step 2: Convert to fraction form
   154,198/337,920.50 = 337,920.50/x
3. Step 3: Cross multiply
   154,198x = 337,920.50 × 337,920.50
4. Step 4: Simplify right side
   154,198x = 114,190,264,320.25
5. Step 5: Solve for x
   x = 114,190,264,320.25/154,198
6. Step 6: Final answer
   x = 740,543.10