Finding the Third Proportional to 500,485.50 and 755,048.25

Step by Step Solution

1. Step 1: Write the proportion equation
   500,485.50 : 755,048.25 = 755,048.25 : x
2. Step 2: Convert to fraction form
   500,485.50/755,048.25 = 755,048.25/x
3. Step 3: Cross multiply
   500,485.50x = 755,048.25 × 755,048.25
4. Step 4: Simplify right side
   500,485.50x = 570,097,859,828.06
5. Step 5: Solve for x
   x = 570,097,859,828.06/500,485.50
6. Step 6: Final answer
   x = 1,139,089.66