Finding the Third Proportional to 8,381,802 and 12,816,310.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,381,802 : 12,816,310.69 = 12,816,310.69 : x
2. Step 2: Convert to fraction form
   8,381,802/12,816,310.69 = 12,816,310.69/x
3. Step 3: Cross multiply
   8,381,802x = 12,816,310.69 × 12,816,310.69
4. Step 4: Simplify right side
   8,381,802x = 164,257,819,638,526.72
5. Step 5: Solve for x
   x = 164,257,819,638,526.72/8,381,802
6. Step 6: Final answer
   x = 19,596,957.75