Finding the Third Proportional to 210,076.50 and 275,748

Step by Step Solution

1. Step 1: Write the proportion equation
   210,076.50 : 275,748 = 275,748 : x
2. Step 2: Convert to fraction form
   210,076.50/275,748 = 275,748/x
3. Step 3: Cross multiply
   210,076.50x = 275,748 × 275,748
4. Step 4: Simplify right side
   210,076.50x = 76,036,959,504
5. Step 5: Solve for x
   x = 76,036,959,504/210,076.50
6. Step 6: Final answer
   x = 361,948.91