Finding the Third Proportional to 725,679 and 1,015,085

Step by Step Solution

1. Step 1: Write the proportion equation
   725,679 : 1,015,085 = 1,015,085 : x
2. Step 2: Convert to fraction form
   725,679/1,015,085 = 1,015,085/x
3. Step 3: Cross multiply
   725,679x = 1,015,085 × 1,015,085
4. Step 4: Simplify right side
   725,679x = 1,030,397,557,225
5. Step 5: Solve for x
   x = 1,030,397,557,225/725,679
6. Step 6: Final answer
   x = 1,419,908.19