Finding the Third Proportional to 555,336 and 1,189,416

Step by Step Solution

1. Step 1: Write the proportion equation
   555,336 : 1,189,416 = 1,189,416 : x
2. Step 2: Convert to fraction form
   555,336/1,189,416 = 1,189,416/x
3. Step 3: Cross multiply
   555,336x = 1,189,416 × 1,189,416
4. Step 4: Simplify right side
   555,336x = 1,414,710,421,056
5. Step 5: Solve for x
   x = 1,414,710,421,056/555,336
6. Step 6: Final answer
   x = 2,547,485.52