Finding the Third Proportional to 359,287.50 and 563,615.25

Step by Step Solution

1. Step 1: Write the proportion equation
   359,287.50 : 563,615.25 = 563,615.25 : x
2. Step 2: Convert to fraction form
   359,287.50/563,615.25 = 563,615.25/x
3. Step 3: Cross multiply
   359,287.50x = 563,615.25 × 563,615.25
4. Step 4: Simplify right side
   359,287.50x = 317,662,150,032.56
5. Step 5: Solve for x
   x = 317,662,150,032.56/359,287.50
6. Step 6: Final answer
   x = 884,144.73