Finding the Third Proportional to 579,615 and 1,238,997

Step by Step Solution

1. Step 1: Write the proportion equation
   579,615 : 1,238,997 = 1,238,997 : x
2. Step 2: Convert to fraction form
   579,615/1,238,997 = 1,238,997/x
3. Step 3: Cross multiply
   579,615x = 1,238,997 × 1,238,997
4. Step 4: Simplify right side
   579,615x = 1,535,113,566,009
5. Step 5: Solve for x
   x = 1,535,113,566,009/579,615
6. Step 6: Final answer
   x = 2,648,505.59