Finding the Third Proportional to 740,231 and 1,115,819

Step by Step Solution

1. Step 1: Write the proportion equation
   740,231 : 1,115,819 = 1,115,819 : x
2. Step 2: Convert to fraction form
   740,231/1,115,819 = 1,115,819/x
3. Step 3: Cross multiply
   740,231x = 1,115,819 × 1,115,819
4. Step 4: Simplify right side
   740,231x = 1,245,052,040,761
5. Step 5: Solve for x
   x = 1,245,052,040,761/740,231
6. Step 6: Final answer
   x = 1,681,977.71