Finding the Third Proportional to 1,372,913 and 2,859,456

Step by Step Solution

1. Step 1: Write the proportion equation
   1,372,913 : 2,859,456 = 2,859,456 : x
2. Step 2: Convert to fraction form
   1,372,913/2,859,456 = 2,859,456/x
3. Step 3: Cross multiply
   1,372,913x = 2,859,456 × 2,859,456
4. Step 4: Simplify right side
   1,372,913x = 8,176,488,615,936
5. Step 5: Solve for x
   x = 8,176,488,615,936/1,372,913
6. Step 6: Final answer
   x = 5,955,576.66