Finding the Third Proportional to 654,962 and 978,387

Step by Step Solution

1. Step 1: Write the proportion equation
   654,962 : 978,387 = 978,387 : x
2. Step 2: Convert to fraction form
   654,962/978,387 = 978,387/x
3. Step 3: Cross multiply
   654,962x = 978,387 × 978,387
4. Step 4: Simplify right side
   654,962x = 957,241,121,769
5. Step 5: Solve for x
   x = 957,241,121,769/654,962
6. Step 6: Final answer
   x = 1,461,521.62