Finding the Third Proportional to 330,061.50 and 495,822

Step by Step Solution

1. Step 1: Write the proportion equation
   330,061.50 : 495,822 = 495,822 : x
2. Step 2: Convert to fraction form
   330,061.50/495,822 = 495,822/x
3. Step 3: Cross multiply
   330,061.50x = 495,822 × 495,822
4. Step 4: Simplify right side
   330,061.50x = 245,839,455,684
5. Step 5: Solve for x
   x = 245,839,455,684/330,061.50
6. Step 6: Final answer
   x = 744,829.24