Finding the Third Proportional to 1,255,536 and 2,683,440

Step by Step Solution

1. Step 1: Write the proportion equation
   1,255,536 : 2,683,440 = 2,683,440 : x
2. Step 2: Convert to fraction form
   1,255,536/2,683,440 = 2,683,440/x
3. Step 3: Cross multiply
   1,255,536x = 2,683,440 × 2,683,440
4. Step 4: Simplify right side
   1,255,536x = 7,200,850,233,600
5. Step 5: Solve for x
   x = 7,200,850,233,600/1,255,536
6. Step 6: Final answer
   x = 5,735,279.78