Finding the Third Proportional to 486,723 and 750,100.50

Step by Step Solution

1. Step 1: Write the proportion equation
   486,723 : 750,100.50 = 750,100.50 : x
2. Step 2: Convert to fraction form
   486,723/750,100.50 = 750,100.50/x
3. Step 3: Cross multiply
   486,723x = 750,100.50 × 750,100.50
4. Step 4: Simplify right side
   486,723x = 562,650,760,100.25
5. Step 5: Solve for x
   x = 562,650,760,100.25/486,723
6. Step 6: Final answer
   x = 1,155,997.89