Finding the Third Proportional to 152,176 and 308,960

Step by Step Solution

1. Step 1: Write the proportion equation
   152,176 : 308,960 = 308,960 : x
2. Step 2: Convert to fraction form
   152,176/308,960 = 308,960/x
3. Step 3: Cross multiply
   152,176x = 308,960 × 308,960
4. Step 4: Simplify right side
   152,176x = 95,456,281,600
5. Step 5: Solve for x
   x = 95,456,281,600/152,176
6. Step 6: Final answer
   x = 627,275.53