Finding the Third Proportional to 146,322 and 216,387

Step by Step Solution

1. Step 1: Write the proportion equation
   146,322 : 216,387 = 216,387 : x
2. Step 2: Convert to fraction form
   146,322/216,387 = 216,387/x
3. Step 3: Cross multiply
   146,322x = 216,387 × 216,387
4. Step 4: Simplify right side
   146,322x = 46,823,333,769
5. Step 5: Solve for x
   x = 46,823,333,769/146,322
6. Step 6: Final answer
   x = 320,002.01