Finding the Third Proportional to 1,287,606 and 2,771,564

Step by Step Solution

1. Step 1: Write the proportion equation
   1,287,606 : 2,771,564 = 2,771,564 : x
2. Step 2: Convert to fraction form
   1,287,606/2,771,564 = 2,771,564/x
3. Step 3: Cross multiply
   1,287,606x = 2,771,564 × 2,771,564
4. Step 4: Simplify right side
   1,287,606x = 7,681,567,006,096
5. Step 5: Solve for x
   x = 7,681,567,006,096/1,287,606
6. Step 6: Final answer
   x = 5,965,774.47