Finding the Third Proportional to 1,219,276 and 2,679,896

Step by Step Solution

1. Step 1: Write the proportion equation
   1,219,276 : 2,679,896 = 2,679,896 : x
2. Step 2: Convert to fraction form
   1,219,276/2,679,896 = 2,679,896/x
3. Step 3: Cross multiply
   1,219,276x = 2,679,896 × 2,679,896
4. Step 4: Simplify right side
   1,219,276x = 7,181,842,570,816
5. Step 5: Solve for x
   x = 7,181,842,570,816/1,219,276
6. Step 6: Final answer
   x = 5,890,251.73