Finding the Third Proportional to 978,720 and 1,497,336

Step by Step Solution

1. Step 1: Write the proportion equation
   978,720 : 1,497,336 = 1,497,336 : x
2. Step 2: Convert to fraction form
   978,720/1,497,336 = 1,497,336/x
3. Step 3: Cross multiply
   978,720x = 1,497,336 × 1,497,336
4. Step 4: Simplify right side
   978,720x = 2,242,015,096,896
5. Step 5: Solve for x
   x = 2,242,015,096,896/978,720
6. Step 6: Final answer
   x = 2,290,762.52