Finding the Third Proportional to 74,288 and 151,456

Step by Step Solution

1. Step 1: Write the proportion equation
   74,288 : 151,456 = 151,456 : x
2. Step 2: Convert to fraction form
   74,288/151,456 = 151,456/x
3. Step 3: Cross multiply
   74,288x = 151,456 × 151,456
4. Step 4: Simplify right side
   74,288x = 22,938,919,936
5. Step 5: Solve for x
   x = 22,938,919,936/74,288
6. Step 6: Final answer
   x = 308,783.65