Finding the Third Proportional to 120,860 and 262,484

Step by Step Solution

1. Step 1: Write the proportion equation
   120,860 : 262,484 = 262,484 : x
2. Step 2: Convert to fraction form
   120,860/262,484 = 262,484/x
3. Step 3: Cross multiply
   120,860x = 262,484 × 262,484
4. Step 4: Simplify right side
   120,860x = 68,897,850,256
5. Step 5: Solve for x
   x = 68,897,850,256/120,860
6. Step 6: Final answer
   x = 570,063.30