Finding the Third Proportional to 1,262,156 and 2,776,729

Step by Step Solution

1. Step 1: Write the proportion equation
   1,262,156 : 2,776,729 = 2,776,729 : x
2. Step 2: Convert to fraction form
   1,262,156/2,776,729 = 2,776,729/x
3. Step 3: Cross multiply
   1,262,156x = 2,776,729 × 2,776,729
4. Step 4: Simplify right side
   1,262,156x = 7,710,223,939,441
5. Step 5: Solve for x
   x = 7,710,223,939,441/1,262,156
6. Step 6: Final answer
   x = 6,108,772.56