Finding the Third Proportional to 12,808,118 and 19,810,696

Step by Step Solution

1. Step 1: Write the proportion equation
   12,808,118 : 19,810,696 = 19,810,696 : x
2. Step 2: Convert to fraction form
   12,808,118/19,810,696 = 19,810,696/x
3. Step 3: Cross multiply
   12,808,118x = 19,810,696 × 19,810,696
4. Step 4: Simplify right side
   12,808,118x = 392,463,676,004,416
5. Step 5: Solve for x
   x = 392,463,676,004,416/12,808,118
6. Step 6: Final answer
   x = 30,641,791.09