Finding the Third Proportional to 713,424 and 978,282

Step by Step Solution

1. Step 1: Write the proportion equation
   713,424 : 978,282 = 978,282 : x
2. Step 2: Convert to fraction form
   713,424/978,282 = 978,282/x
3. Step 3: Cross multiply
   713,424x = 978,282 × 978,282
4. Step 4: Simplify right side
   713,424x = 957,035,671,524
5. Step 5: Solve for x
   x = 957,035,671,524/713,424
6. Step 6: Final answer
   x = 1,341,468.29