Finding the Third Proportional to 8,381,804 and 12,816,314

Step by Step Solution

1. Step 1: Write the proportion equation
   8,381,804 : 12,816,314 = 12,816,314 : x
2. Step 2: Convert to fraction form
   8,381,804/12,816,314 = 12,816,314/x
3. Step 3: Cross multiply
   8,381,804x = 12,816,314 × 12,816,314
4. Step 4: Simplify right side
   8,381,804x = 164,257,904,546,596
5. Step 5: Solve for x
   x = 164,257,904,546,596/8,381,804
6. Step 6: Final answer
   x = 19,596,963.20