Finding the Third Proportional to 124,902 and 262,858

Step by Step Solution

1. Step 1: Write the proportion equation
   124,902 : 262,858 = 262,858 : x
2. Step 2: Convert to fraction form
   124,902/262,858 = 262,858/x
3. Step 3: Cross multiply
   124,902x = 262,858 × 262,858
4. Step 4: Simplify right side
   124,902x = 69,094,328,164
5. Step 5: Solve for x
   x = 69,094,328,164/124,902
6. Step 6: Final answer
   x = 553,188.32