Finding the Third Proportional to 728,412 and 1,485,714

Step by Step Solution

1. Step 1: Write the proportion equation
   728,412 : 1,485,714 = 1,485,714 : x
2. Step 2: Convert to fraction form
   728,412/1,485,714 = 1,485,714/x
3. Step 3: Cross multiply
   728,412x = 1,485,714 × 1,485,714
4. Step 4: Simplify right side
   728,412x = 2,207,346,089,796
5. Step 5: Solve for x
   x = 2,207,346,089,796/728,412
6. Step 6: Final answer
   x = 3,030,353.82