Finding the Third Proportional to 654,931 and 978,352

Step by Step Solution

1. Step 1: Write the proportion equation
   654,931 : 978,352 = 978,352 : x
2. Step 2: Convert to fraction form
   654,931/978,352 = 978,352/x
3. Step 3: Cross multiply
   654,931x = 978,352 × 978,352
4. Step 4: Simplify right side
   654,931x = 957,172,635,904
5. Step 5: Solve for x
   x = 957,172,635,904/654,931
6. Step 6: Final answer
   x = 1,461,486.23