Finding the Third Proportional to 728,125 and 1,139,714

Step by Step Solution

1. Step 1: Write the proportion equation
   728,125 : 1,139,714 = 1,139,714 : x
2. Step 2: Convert to fraction form
   728,125/1,139,714 = 1,139,714/x
3. Step 3: Cross multiply
   728,125x = 1,139,714 × 1,139,714
4. Step 4: Simplify right side
   728,125x = 1,298,948,001,796
5. Step 5: Solve for x
   x = 1,298,948,001,796/728,125
6. Step 6: Final answer
   x = 1,783,962.92