Finding the Third Proportional to 490,433.50 and 749,906.25

Step by Step Solution

1. Step 1: Write the proportion equation
   490,433.50 : 749,906.25 = 749,906.25 : x
2. Step 2: Convert to fraction form
   490,433.50/749,906.25 = 749,906.25/x
3. Step 3: Cross multiply
   490,433.50x = 749,906.25 × 749,906.25
4. Step 4: Simplify right side
   490,433.50x = 562,359,383,789.06
5. Step 5: Solve for x
   x = 562,359,383,789.06/490,433.50
6. Step 6: Final answer
   x = 1,146,657.77