Finding the Third Proportional to 8,582,680 and 12,028,603

Step by Step Solution

1. Step 1: Write the proportion equation
   8,582,680 : 12,028,603 = 12,028,603 : x
2. Step 2: Convert to fraction form
   8,582,680/12,028,603 = 12,028,603/x
3. Step 3: Cross multiply
   8,582,680x = 12,028,603 × 12,028,603
4. Step 4: Simplify right side
   8,582,680x = 144,687,290,131,609
5. Step 5: Solve for x
   x = 144,687,290,131,609/8,582,680
6. Step 6: Final answer
   x = 16,858,054.84