Finding the Third Proportional to 731,117 and 978,010

Step by Step Solution

1. Step 1: Write the proportion equation
   731,117 : 978,010 = 978,010 : x
2. Step 2: Convert to fraction form
   731,117/978,010 = 978,010/x
3. Step 3: Cross multiply
   731,117x = 978,010 × 978,010
4. Step 4: Simplify right side
   731,117x = 956,503,560,100
5. Step 5: Solve for x
   x = 956,503,560,100/731,117
6. Step 6: Final answer
   x = 1,308,277.01