Finding the Third Proportional to 504,959 and 758,747.50

Step by Step Solution

1. Step 1: Write the proportion equation
   504,959 : 758,747.50 = 758,747.50 : x
2. Step 2: Convert to fraction form
   504,959/758,747.50 = 758,747.50/x
3. Step 3: Cross multiply
   504,959x = 758,747.50 × 758,747.50
4. Step 4: Simplify right side
   504,959x = 575,697,768,756.25
5. Step 5: Solve for x
   x = 575,697,768,756.25/504,959
6. Step 6: Final answer
   x = 1,140,088.14