Finding the Third Proportional to 152,148 and 308,904

Step by Step Solution

1. Step 1: Write the proportion equation
   152,148 : 308,904 = 308,904 : x
2. Step 2: Convert to fraction form
   152,148/308,904 = 308,904/x
3. Step 3: Cross multiply
   152,148x = 308,904 × 308,904
4. Step 4: Simplify right side
   152,148x = 95,421,681,216
5. Step 5: Solve for x
   x = 95,421,681,216/152,148
6. Step 6: Final answer
   x = 627,163.56