Finding the Third Proportional to 542,926 and 1,135,388

Step by Step Solution

1. Step 1: Write the proportion equation
   542,926 : 1,135,388 = 1,135,388 : x
2. Step 2: Convert to fraction form
   542,926/1,135,388 = 1,135,388/x
3. Step 3: Cross multiply
   542,926x = 1,135,388 × 1,135,388
4. Step 4: Simplify right side
   542,926x = 1,289,105,910,544
5. Step 5: Solve for x
   x = 1,289,105,910,544/542,926
6. Step 6: Final answer
   x = 2,374,367.61