Finding the Third Proportional to 731,119 and 978,013

Step by Step Solution

1. Step 1: Write the proportion equation
   731,119 : 978,013 = 978,013 : x
2. Step 2: Convert to fraction form
   731,119/978,013 = 978,013/x
3. Step 3: Cross multiply
   731,119x = 978,013 × 978,013
4. Step 4: Simplify right side
   731,119x = 956,509,428,169
5. Step 5: Solve for x
   x = 956,509,428,169/731,119
6. Step 6: Final answer
   x = 1,308,281.45