Finding the Third Proportional to 664,904 and 1,425,064

Step by Step Solution

1. Step 1: Write the proportion equation
   664,904 : 1,425,064 = 1,425,064 : x
2. Step 2: Convert to fraction form
   664,904/1,425,064 = 1,425,064/x
3. Step 3: Cross multiply
   664,904x = 1,425,064 × 1,425,064
4. Step 4: Simplify right side
   664,904x = 2,030,807,404,096
5. Step 5: Solve for x
   x = 2,030,807,404,096/664,904
6. Step 6: Final answer
   x = 3,054,286.64