Finding the Third Proportional to 723,400 and 1,065,112

Step by Step Solution

1. Step 1: Write the proportion equation
   723,400 : 1,065,112 = 1,065,112 : x
2. Step 2: Convert to fraction form
   723,400/1,065,112 = 1,065,112/x
3. Step 3: Cross multiply
   723,400x = 1,065,112 × 1,065,112
4. Step 4: Simplify right side
   723,400x = 1,134,463,572,544
5. Step 5: Solve for x
   x = 1,134,463,572,544/723,400
6. Step 6: Final answer
   x = 1,568,238.28