Finding the Third Proportional to 7,859,619 and 12,498,003

Step by Step Solution

1. Step 1: Write the proportion equation
   7,859,619 : 12,498,003 = 12,498,003 : x
2. Step 2: Convert to fraction form
   7,859,619/12,498,003 = 12,498,003/x
3. Step 3: Cross multiply
   7,859,619x = 12,498,003 × 12,498,003
4. Step 4: Simplify right side
   7,859,619x = 156,200,078,988,009
5. Step 5: Solve for x
   x = 156,200,078,988,009/7,859,619
6. Step 6: Final answer
   x = 19,873,746.93