Finding the Third Proportional to 650,886 and 978,212

Step by Step Solution

1. Step 1: Write the proportion equation
   650,886 : 978,212 = 978,212 : x
2. Step 2: Convert to fraction form
   650,886/978,212 = 978,212/x
3. Step 3: Cross multiply
   650,886x = 978,212 × 978,212
4. Step 4: Simplify right side
   650,886x = 956,898,716,944
5. Step 5: Solve for x
   x = 956,898,716,944/650,886
6. Step 6: Final answer
   x = 1,470,147.95