Finding the Third Proportional to 451,372.50 and 980,505

Step by Step Solution

1. Step 1: Write the proportion equation
   451,372.50 : 980,505 = 980,505 : x
2. Step 2: Convert to fraction form
   451,372.50/980,505 = 980,505/x
3. Step 3: Cross multiply
   451,372.50x = 980,505 × 980,505
4. Step 4: Simplify right side
   451,372.50x = 961,390,055,025
5. Step 5: Solve for x
   x = 961,390,055,025/451,372.50
6. Step 6: Final answer
   x = 2,129,926.07