Finding the Third Proportional to 1,310,159 and 2,777,780

Step by Step Solution

1. Step 1: Write the proportion equation
   1,310,159 : 2,777,780 = 2,777,780 : x
2. Step 2: Convert to fraction form
   1,310,159/2,777,780 = 2,777,780/x
3. Step 3: Cross multiply
   1,310,159x = 2,777,780 × 2,777,780
4. Step 4: Simplify right side
   1,310,159x = 7,716,061,728,400
5. Step 5: Solve for x
   x = 7,716,061,728,400/1,310,159
6. Step 6: Final answer
   x = 5,889,408.64