Finding the Third Proportional to 650,892 and 978,221

Step by Step Solution

1. Step 1: Write the proportion equation
   650,892 : 978,221 = 978,221 : x
2. Step 2: Convert to fraction form
   650,892/978,221 = 978,221/x
3. Step 3: Cross multiply
   650,892x = 978,221 × 978,221
4. Step 4: Simplify right side
   650,892x = 956,916,324,841
5. Step 5: Solve for x
   x = 956,916,324,841/650,892
6. Step 6: Final answer
   x = 1,470,161.45