Finding the Third Proportional to 322,990.50 and 495,786

Step by Step Solution

1. Step 1: Write the proportion equation
   322,990.50 : 495,786 = 495,786 : x
2. Step 2: Convert to fraction form
   322,990.50/495,786 = 495,786/x
3. Step 3: Cross multiply
   322,990.50x = 495,786 × 495,786
4. Step 4: Simplify right side
   322,990.50x = 245,803,757,796
5. Step 5: Solve for x
   x = 245,803,757,796/322,990.50
6. Step 6: Final answer
   x = 761,024.73