Finding the Third Proportional to 555,326 and 1,189,386

Step by Step Solution

1. Step 1: Write the proportion equation
   555,326 : 1,189,386 = 1,189,386 : x
2. Step 2: Convert to fraction form
   555,326/1,189,386 = 1,189,386/x
3. Step 3: Cross multiply
   555,326x = 1,189,386 × 1,189,386
4. Step 4: Simplify right side
   555,326x = 1,414,639,056,996
5. Step 5: Solve for x
   x = 1,414,639,056,996/555,326
6. Step 6: Final answer
   x = 2,547,402.89