Finding the Third Proportional to 5,390,257 and 8,077,083

Step by Step Solution

1. Step 1: Write the proportion equation
   5,390,257 : 8,077,083 = 8,077,083 : x
2. Step 2: Convert to fraction form
   5,390,257/8,077,083 = 8,077,083/x
3. Step 3: Cross multiply
   5,390,257x = 8,077,083 × 8,077,083
4. Step 4: Simplify right side
   5,390,257x = 65,239,269,788,889
5. Step 5: Solve for x
   x = 65,239,269,788,889/5,390,257
6. Step 6: Final answer
   x = 12,103,183.54