Finding the Third Proportional to 449,331 and 978,012.75

Step by Step Solution

1. Step 1: Write the proportion equation
   449,331 : 978,012.75 = 978,012.75 : x
2. Step 2: Convert to fraction form
   449,331/978,012.75 = 978,012.75/x
3. Step 3: Cross multiply
   449,331x = 978,012.75 × 978,012.75
4. Step 4: Simplify right side
   449,331x = 956,508,939,162.56
5. Step 5: Solve for x
   x = 956,508,939,162.56/449,331
6. Step 6: Final answer
   x = 2,128,740.15