Finding the Third Proportional to 282,796 and 609,870

Step by Step Solution

1. Step 1: Write the proportion equation
   282,796 : 609,870 = 609,870 : x
2. Step 2: Convert to fraction form
   282,796/609,870 = 609,870/x
3. Step 3: Cross multiply
   282,796x = 609,870 × 609,870
4. Step 4: Simplify right side
   282,796x = 371,941,416,900
5. Step 5: Solve for x
   x = 371,941,416,900/282,796
6. Step 6: Final answer
   x = 1,315,228.71