Finding the Third Proportional to 150,961.50 and 308,477.25

Step by Step Solution

1. Step 1: Write the proportion equation
   150,961.50 : 308,477.25 = 308,477.25 : x
2. Step 2: Convert to fraction form
   150,961.50/308,477.25 = 308,477.25/x
3. Step 3: Cross multiply
   150,961.50x = 308,477.25 × 308,477.25
4. Step 4: Simplify right side
   150,961.50x = 95,158,213,767.56
5. Step 5: Solve for x
   x = 95,158,213,767.56/150,961.50
6. Step 6: Final answer
   x = 630,347.56