Finding the Third Proportional to 210,124 and 308,274

Step by Step Solution

1. Step 1: Write the proportion equation
   210,124 : 308,274 = 308,274 : x
2. Step 2: Convert to fraction form
   210,124/308,274 = 308,274/x
3. Step 3: Cross multiply
   210,124x = 308,274 × 308,274
4. Step 4: Simplify right side
   210,124x = 95,032,859,076
5. Step 5: Solve for x
   x = 95,032,859,076/210,124
6. Step 6: Final answer
   x = 452,270.37