Finding the Third Proportional to 73,274 and 150,428

Step by Step Solution

1. Step 1: Write the proportion equation
   73,274 : 150,428 = 150,428 : x
2. Step 2: Convert to fraction form
   73,274/150,428 = 150,428/x
3. Step 3: Cross multiply
   73,274x = 150,428 × 150,428
4. Step 4: Simplify right side
   73,274x = 22,628,583,184
5. Step 5: Solve for x
   x = 22,628,583,184/73,274
6. Step 6: Final answer
   x = 308,821.45