Finding the Third Proportional to 173,048 and 262,822

Step by Step Solution

1. Step 1: Write the proportion equation
   173,048 : 262,822 = 262,822 : x
2. Step 2: Convert to fraction form
   173,048/262,822 = 262,822/x
3. Step 3: Cross multiply
   173,048x = 262,822 × 262,822
4. Step 4: Simplify right side
   173,048x = 69,075,403,684
5. Step 5: Solve for x
   x = 69,075,403,684/173,048
6. Step 6: Final answer
   x = 399,169.04