Finding the Third Proportional to 451,460 and 980,680

Step by Step Solution

1. Step 1: Write the proportion equation
   451,460 : 980,680 = 980,680 : x
2. Step 2: Convert to fraction form
   451,460/980,680 = 980,680/x
3. Step 3: Cross multiply
   451,460x = 980,680 × 980,680
4. Step 4: Simplify right side
   451,460x = 961,733,262,400
5. Step 5: Solve for x
   x = 961,733,262,400/451,460
6. Step 6: Final answer
   x = 2,130,273.47