Finding the Third Proportional to 152,154 and 308,916

Step by Step Solution

1. Step 1: Write the proportion equation
   152,154 : 308,916 = 308,916 : x
2. Step 2: Convert to fraction form
   152,154/308,916 = 308,916/x
3. Step 3: Cross multiply
   152,154x = 308,916 × 308,916
4. Step 4: Simplify right side
   152,154x = 95,429,095,056
5. Step 5: Solve for x
   x = 95,429,095,056/152,154
6. Step 6: Final answer
   x = 627,187.55