Finding the Third Proportional to 248,782.50 and 372,783

Step by Step Solution

1. Step 1: Write the proportion equation
   248,782.50 : 372,783 = 372,783 : x
2. Step 2: Convert to fraction form
   248,782.50/372,783 = 372,783/x
3. Step 3: Cross multiply
   248,782.50x = 372,783 × 372,783
4. Step 4: Simplify right side
   248,782.50x = 138,967,165,089
5. Step 5: Solve for x
   x = 138,967,165,089/248,782.50
6. Step 6: Final answer
   x = 558,588.99