Finding the Third Proportional to 978,426 and 1,496,819.25

Step by Step Solution

1. Step 1: Write the proportion equation
   978,426 : 1,496,819.25 = 1,496,819.25 : x
2. Step 2: Convert to fraction form
   978,426/1,496,819.25 = 1,496,819.25/x
3. Step 3: Cross multiply
   978,426x = 1,496,819.25 × 1,496,819.25
4. Step 4: Simplify right side
   978,426x = 2,240,467,867,170.56
5. Step 5: Solve for x
   x = 2,240,467,867,170.56/978,426
6. Step 6: Final answer
   x = 2,289,869.51