Finding the Third Proportional to 501,336 and 756,256.50

Step by Step Solution

1. Step 1: Write the proportion equation
   501,336 : 756,256.50 = 756,256.50 : x
2. Step 2: Convert to fraction form
   501,336/756,256.50 = 756,256.50/x
3. Step 3: Cross multiply
   501,336x = 756,256.50 × 756,256.50
4. Step 4: Simplify right side
   501,336x = 571,923,893,792.25
5. Step 5: Solve for x
   x = 571,923,893,792.25/501,336
6. Step 6: Final answer
   x = 1,140,799.57