Finding the Third Proportional to 1,263,456 and 2,062,890

Step by Step Solution

1. Step 1: Write the proportion equation
   1,263,456 : 2,062,890 = 2,062,890 : x
2. Step 2: Convert to fraction form
   1,263,456/2,062,890 = 2,062,890/x
3. Step 3: Cross multiply
   1,263,456x = 2,062,890 × 2,062,890
4. Step 4: Simplify right side
   1,263,456x = 4,255,515,152,100
5. Step 5: Solve for x
   x = 4,255,515,152,100/1,263,456
6. Step 6: Final answer
   x = 3,368,154.61