Finding the Third Proportional to 152,149 and 308,906

Step by Step Solution

1. Step 1: Write the proportion equation
   152,149 : 308,906 = 308,906 : x
2. Step 2: Convert to fraction form
   152,149/308,906 = 308,906/x
3. Step 3: Cross multiply
   152,149x = 308,906 × 308,906
4. Step 4: Simplify right side
   152,149x = 95,422,916,836
5. Step 5: Solve for x
   x = 95,422,916,836/152,149
6. Step 6: Final answer
   x = 627,167.56