Finding the Third Proportional to 155,550 and 247,333.50

Step by Step Solution

1. Step 1: Write the proportion equation
   155,550 : 247,333.50 = 247,333.50 : x
2. Step 2: Convert to fraction form
   155,550/247,333.50 = 247,333.50/x
3. Step 3: Cross multiply
   155,550x = 247,333.50 × 247,333.50
4. Step 4: Simplify right side
   155,550x = 61,173,860,222.25
5. Step 5: Solve for x
   x = 61,173,860,222.25/155,550
6. Step 6: Final answer
   x = 393,274.58