Finding the Third Proportional to 118,243 and 262,730

Step by Step Solution

1. Step 1: Write the proportion equation
   118,243 : 262,730 = 262,730 : x
2. Step 2: Convert to fraction form
   118,243/262,730 = 262,730/x
3. Step 3: Cross multiply
   118,243x = 262,730 × 262,730
4. Step 4: Simplify right side
   118,243x = 69,027,052,900
5. Step 5: Solve for x
   x = 69,027,052,900/118,243
6. Step 6: Final answer
   x = 583,772.85