Finding the Third Proportional to 2,390,889 and 5,159,613

Step by Step Solution

1. Step 1: Write the proportion equation
   2,390,889 : 5,159,613 = 5,159,613 : x
2. Step 2: Convert to fraction form
   2,390,889/5,159,613 = 5,159,613/x
3. Step 3: Cross multiply
   2,390,889x = 5,159,613 × 5,159,613
4. Step 4: Simplify right side
   2,390,889x = 26,621,606,309,769
5. Step 5: Solve for x
   x = 26,621,606,309,769/2,390,889
6. Step 6: Final answer
   x = 11,134,605.71