Finding the Third Proportional to 366,717.61 and 560,978.31

Step by Step Solution

1. Step 1: Write the proportion equation
   366,717.61 : 560,978.31 = 560,978.31 : x
2. Step 2: Convert to fraction form
   366,717.61/560,978.31 = 560,978.31/x
3. Step 3: Cross multiply
   366,717.61x = 560,978.31 × 560,978.31
4. Step 4: Simplify right side
   366,717.61x = 314,696,669,286.64
5. Step 5: Solve for x
   x = 314,696,669,286.64/366,717.61
6. Step 6: Final answer
   x = 858,144.41