Finding the Third Proportional to 715,428 and 1,002,736

Step by Step Solution

1. Step 1: Write the proportion equation
   715,428 : 1,002,736 = 1,002,736 : x
2. Step 2: Convert to fraction form
   715,428/1,002,736 = 1,002,736/x
3. Step 3: Cross multiply
   715,428x = 1,002,736 × 1,002,736
4. Step 4: Simplify right side
   715,428x = 1,005,479,485,696
5. Step 5: Solve for x
   x = 1,005,479,485,696/715,428
6. Step 6: Final answer
   x = 1,405,423.73