Finding the Third Proportional to 5,301,890 and 8,159,512

Step by Step Solution

1. Step 1: Write the proportion equation
   5,301,890 : 8,159,512 = 8,159,512 : x
2. Step 2: Convert to fraction form
   5,301,890/8,159,512 = 8,159,512/x
3. Step 3: Cross multiply
   5,301,890x = 8,159,512 × 8,159,512
4. Step 4: Simplify right side
   5,301,890x = 66,577,636,078,144
5. Step 5: Solve for x
   x = 66,577,636,078,144/5,301,890
6. Step 6: Final answer
   x = 12,557,340.13