Finding the Third Proportional to 69,310 and 150,274

Step by Step Solution

1. Step 1: Write the proportion equation
   69,310 : 150,274 = 150,274 : x
2. Step 2: Convert to fraction form
   69,310/150,274 = 150,274/x
3. Step 3: Cross multiply
   69,310x = 150,274 × 150,274
4. Step 4: Simplify right side
   69,310x = 22,582,275,076
5. Step 5: Solve for x
   x = 22,582,275,076/69,310
6. Step 6: Final answer
   x = 325,815.54