Finding the Third Proportional to 499,112.50 and 775,741

Step by Step Solution

1. Step 1: Write the proportion equation
   499,112.50 : 775,741 = 775,741 : x
2. Step 2: Convert to fraction form
   499,112.50/775,741 = 775,741/x
3. Step 3: Cross multiply
   499,112.50x = 775,741 × 775,741
4. Step 4: Simplify right side
   499,112.50x = 601,774,099,081
5. Step 5: Solve for x
   x = 601,774,099,081/499,112.50
6. Step 6: Final answer
   x = 1,205,688.29