Finding the Third Proportional to 155,425.50 and 307,212

Step by Step Solution

1. Step 1: Write the proportion equation
   155,425.50 : 307,212 = 307,212 : x
2. Step 2: Convert to fraction form
   155,425.50/307,212 = 307,212/x
3. Step 3: Cross multiply
   155,425.50x = 307,212 × 307,212
4. Step 4: Simplify right side
   155,425.50x = 94,379,212,944
5. Step 5: Solve for x
   x = 94,379,212,944/155,425.50
6. Step 6: Final answer
   x = 607,231.20