Finding the Third Proportional to 453,774 and 978,258

Step by Step Solution

1. Step 1: Write the proportion equation
   453,774 : 978,258 = 978,258 : x
2. Step 2: Convert to fraction form
   453,774/978,258 = 978,258/x
3. Step 3: Cross multiply
   453,774x = 978,258 × 978,258
4. Step 4: Simplify right side
   453,774x = 956,988,714,564
5. Step 5: Solve for x
   x = 956,988,714,564/453,774
6. Step 6: Final answer
   x = 2,108,954.49