Finding the Third Proportional to 453,760 and 978,230

Step by Step Solution

1. Step 1: Write the proportion equation
   453,760 : 978,230 = 978,230 : x
2. Step 2: Convert to fraction form
   453,760/978,230 = 978,230/x
3. Step 3: Cross multiply
   453,760x = 978,230 × 978,230
4. Step 4: Simplify right side
   453,760x = 956,933,932,900
5. Step 5: Solve for x
   x = 956,933,932,900/453,760
6. Step 6: Final answer
   x = 2,108,898.83