Finding the Third Proportional to 334,147.50 and 705,555

Step by Step Solution

1. Step 1: Write the proportion equation
   334,147.50 : 705,555 = 705,555 : x
2. Step 2: Convert to fraction form
   334,147.50/705,555 = 705,555/x
3. Step 3: Cross multiply
   334,147.50x = 705,555 × 705,555
4. Step 4: Simplify right side
   334,147.50x = 497,807,858,025
5. Step 5: Solve for x
   x = 497,807,858,025/334,147.50
6. Step 6: Final answer
   x = 1,489,784.77