Finding the Third Proportional to 451,273.50 and 980,355

Step by Step Solution

1. Step 1: Write the proportion equation
   451,273.50 : 980,355 = 980,355 : x
2. Step 2: Convert to fraction form
   451,273.50/980,355 = 980,355/x
3. Step 3: Cross multiply
   451,273.50x = 980,355 × 980,355
4. Step 4: Simplify right side
   451,273.50x = 961,095,926,025
5. Step 5: Solve for x
   x = 961,095,926,025/451,273.50
6. Step 6: Final answer
   x = 2,129,741.56