Finding the Third Proportional to 784,713 and 1,110,678

Step by Step Solution

1. Step 1: Write the proportion equation
   784,713 : 1,110,678 = 1,110,678 : x
2. Step 2: Convert to fraction form
   784,713/1,110,678 = 1,110,678/x
3. Step 3: Cross multiply
   784,713x = 1,110,678 × 1,110,678
4. Step 4: Simplify right side
   784,713x = 1,233,605,619,684
5. Step 5: Solve for x
   x = 1,233,605,619,684/784,713
6. Step 6: Final answer
   x = 1,572,046.88