Finding the Third Proportional to 152,150 and 308,908

Step by Step Solution

1. Step 1: Write the proportion equation
   152,150 : 308,908 = 308,908 : x
2. Step 2: Convert to fraction form
   152,150/308,908 = 308,908/x
3. Step 3: Cross multiply
   152,150x = 308,908 × 308,908
4. Step 4: Simplify right side
   152,150x = 95,424,152,464
5. Step 5: Solve for x
   x = 95,424,152,464/152,150
6. Step 6: Final answer
   x = 627,171.56