Finding the Third Proportional to 2,576,769 and 5,486,178

Step by Step Solution

1. Step 1: Write the proportion equation
   2,576,769 : 5,486,178 = 5,486,178 : x
2. Step 2: Convert to fraction form
   2,576,769/5,486,178 = 5,486,178/x
3. Step 3: Cross multiply
   2,576,769x = 5,486,178 × 5,486,178
4. Step 4: Simplify right side
   2,576,769x = 30,098,149,047,684
5. Step 5: Solve for x
   x = 30,098,149,047,684/2,576,769
6. Step 6: Final answer
   x = 11,680,577.13