Finding the Third Proportional to 555,076 and 1,309,898

Step by Step Solution

1. Step 1: Write the proportion equation
   555,076 : 1,309,898 = 1,309,898 : x
2. Step 2: Convert to fraction form
   555,076/1,309,898 = 1,309,898/x
3. Step 3: Cross multiply
   555,076x = 1,309,898 × 1,309,898
4. Step 4: Simplify right side
   555,076x = 1,715,832,770,404
5. Step 5: Solve for x
   x = 1,715,832,770,404/555,076
6. Step 6: Final answer
   x = 3,091,167.28