Finding the Third Proportional to 258,685 and 562,932

Step by Step Solution

1. Step 1: Write the proportion equation
   258,685 : 562,932 = 562,932 : x
2. Step 2: Convert to fraction form
   258,685/562,932 = 562,932/x
3. Step 3: Cross multiply
   258,685x = 562,932 × 562,932
4. Step 4: Simplify right side
   258,685x = 316,892,436,624
5. Step 5: Solve for x
   x = 316,892,436,624/258,685
6. Step 6: Final answer
   x = 1,225,012.80