Finding the Third Proportional to 8,274,920 and 12,845,410

Step by Step Solution

1. Step 1: Write the proportion equation
   8,274,920 : 12,845,410 = 12,845,410 : x
2. Step 2: Convert to fraction form
   8,274,920/12,845,410 = 12,845,410/x
3. Step 3: Cross multiply
   8,274,920x = 12,845,410 × 12,845,410
4. Step 4: Simplify right side
   8,274,920x = 165,004,558,068,100
5. Step 5: Solve for x
   x = 165,004,558,068,100/8,274,920
6. Step 6: Final answer
   x = 19,940,320.64