Finding the Third Proportional to 555,476 and 1,211,300

Step by Step Solution

1. Step 1: Write the proportion equation
   555,476 : 1,211,300 = 1,211,300 : x
2. Step 2: Convert to fraction form
   555,476/1,211,300 = 1,211,300/x
3. Step 3: Cross multiply
   555,476x = 1,211,300 × 1,211,300
4. Step 4: Simplify right side
   555,476x = 1,467,247,690,000
5. Step 5: Solve for x
   x = 1,467,247,690,000/555,476
6. Step 6: Final answer
   x = 2,641,424.09