Finding the Third Proportional to 654,818 and 978,193

Step by Step Solution

1. Step 1: Write the proportion equation
   654,818 : 978,193 = 978,193 : x
2. Step 2: Convert to fraction form
   654,818/978,193 = 978,193/x
3. Step 3: Cross multiply
   654,818x = 978,193 × 978,193
4. Step 4: Simplify right side
   654,818x = 956,861,545,249
5. Step 5: Solve for x
   x = 956,861,545,249/654,818
6. Step 6: Final answer
   x = 1,461,263.35