Finding the Third Proportional to 501,970 and 978,719

Step by Step Solution

1. Step 1: Write the proportion equation
   501,970 : 978,719 = 978,719 : x
2. Step 2: Convert to fraction form
   501,970/978,719 = 978,719/x
3. Step 3: Cross multiply
   501,970x = 978,719 × 978,719
4. Step 4: Simplify right side
   501,970x = 957,890,880,961
5. Step 5: Solve for x
   x = 957,890,880,961/501,970
6. Step 6: Final answer
   x = 1,908,263.20