Finding the Third Proportional to 1,790,644 and 2,776,739

Step by Step Solution

1. Step 1: Write the proportion equation
   1,790,644 : 2,776,739 = 2,776,739 : x
2. Step 2: Convert to fraction form
   1,790,644/2,776,739 = 2,776,739/x
3. Step 3: Cross multiply
   1,790,644x = 2,776,739 × 2,776,739
4. Step 4: Simplify right side
   1,790,644x = 7,710,279,474,121
5. Step 5: Solve for x
   x = 7,710,279,474,121/1,790,644
6. Step 6: Final answer
   x = 4,305,869.55