Finding the Third Proportional to 1,272,378 and 2,773,378

Step by Step Solution

1. Step 1: Write the proportion equation
   1,272,378 : 2,773,378 = 2,773,378 : x
2. Step 2: Convert to fraction form
   1,272,378/2,773,378 = 2,773,378/x
3. Step 3: Cross multiply
   1,272,378x = 2,773,378 × 2,773,378
4. Step 4: Simplify right side
   1,272,378x = 7,691,625,530,884
5. Step 5: Solve for x
   x = 7,691,625,530,884/1,272,378
6. Step 6: Final answer
   x = 6,045,079.00