Finding the Third Proportional to 366,745 and 561,012

Step by Step Solution

1. Step 1: Write the proportion equation
   366,745 : 561,012 = 561,012 : x
2. Step 2: Convert to fraction form
   366,745/561,012 = 561,012/x
3. Step 3: Cross multiply
   366,745x = 561,012 × 561,012
4. Step 4: Simplify right side
   366,745x = 314,734,464,144
5. Step 5: Solve for x
   x = 314,734,464,144/366,745
6. Step 6: Final answer
   x = 858,183.38