Finding the Third Proportional to 299,175.75 and 623,592

Step by Step Solution

1. Step 1: Write the proportion equation
   299,175.75 : 623,592 = 623,592 : x
2. Step 2: Convert to fraction form
   299,175.75/623,592 = 623,592/x
3. Step 3: Cross multiply
   299,175.75x = 623,592 × 623,592
4. Step 4: Simplify right side
   299,175.75x = 388,866,982,464
5. Step 5: Solve for x
   x = 388,866,982,464/299,175.75
6. Step 6: Final answer
   x = 1,299,794.46