Finding the Third Proportional to 360,589.50 and 769,446

Step by Step Solution

1. Step 1: Write the proportion equation
   360,589.50 : 769,446 = 769,446 : x
2. Step 2: Convert to fraction form
   360,589.50/769,446 = 769,446/x
3. Step 3: Cross multiply
   360,589.50x = 769,446 × 769,446
4. Step 4: Simplify right side
   360,589.50x = 592,047,146,916
5. Step 5: Solve for x
   x = 592,047,146,916/360,589.50
6. Step 6: Final answer
   x = 1,641,886.82