Finding the Third Proportional to 713,472 and 978,354

Step by Step Solution

1. Step 1: Write the proportion equation
   713,472 : 978,354 = 978,354 : x
2. Step 2: Convert to fraction form
   713,472/978,354 = 978,354/x
3. Step 3: Cross multiply
   713,472x = 978,354 × 978,354
4. Step 4: Simplify right side
   713,472x = 957,176,549,316
5. Step 5: Solve for x
   x = 957,176,549,316/713,472
6. Step 6: Final answer
   x = 1,341,575.49