Finding the Third Proportional to 715,430 and 1,002,739

Step by Step Solution

1. Step 1: Write the proportion equation
   715,430 : 1,002,739 = 1,002,739 : x
2. Step 2: Convert to fraction form
   715,430/1,002,739 = 1,002,739/x
3. Step 3: Cross multiply
   715,430x = 1,002,739 × 1,002,739
4. Step 4: Simplify right side
   715,430x = 1,005,485,502,121
5. Step 5: Solve for x
   x = 1,005,485,502,121/715,430
6. Step 6: Final answer
   x = 1,405,428.21