Finding the Third Proportional to 262,989 and 575,185.50

Step by Step Solution

1. Step 1: Write the proportion equation
   262,989 : 575,185.50 = 575,185.50 : x
2. Step 2: Convert to fraction form
   262,989/575,185.50 = 575,185.50/x
3. Step 3: Cross multiply
   262,989x = 575,185.50 × 575,185.50
4. Step 4: Simplify right side
   262,989x = 330,838,359,410.25
5. Step 5: Solve for x
   x = 330,838,359,410.25/262,989
6. Step 6: Final answer
   x = 1,257,993.15