Finding the Third Proportional to 577,458 and 1,191,530

Step by Step Solution

1. Step 1: Write the proportion equation
   577,458 : 1,191,530 = 1,191,530 : x
2. Step 2: Convert to fraction form
   577,458/1,191,530 = 1,191,530/x
3. Step 3: Cross multiply
   577,458x = 1,191,530 × 1,191,530
4. Step 4: Simplify right side
   577,458x = 1,419,743,740,900
5. Step 5: Solve for x
   x = 1,419,743,740,900/577,458
6. Step 6: Final answer
   x = 2,458,609.53