Finding the Third Proportional to 555,084 and 1,309,918

Step by Step Solution

1. Step 1: Write the proportion equation
   555,084 : 1,309,918 = 1,309,918 : x
2. Step 2: Convert to fraction form
   555,084/1,309,918 = 1,309,918/x
3. Step 3: Cross multiply
   555,084x = 1,309,918 × 1,309,918
4. Step 4: Simplify right side
   555,084x = 1,715,885,166,724
5. Step 5: Solve for x
   x = 1,715,885,166,724/555,084
6. Step 6: Final answer
   x = 3,091,217.13