Finding the Third Proportional to 10,285,516.69 and 13,718,671.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,285,516.69 : 13,718,671.31 = 13,718,671.31 : x
2. Step 2: Convert to fraction form
   10,285,516.69/13,718,671.31 = 13,718,671.31/x
3. Step 3: Cross multiply
   10,285,516.69x = 13,718,671.31 × 13,718,671.31
4. Step 4: Simplify right side
   10,285,516.69x = 188,201,942,580,410.47
5. Step 5: Solve for x
   x = 188,201,942,580,410.47/10,285,516.69
6. Step 6: Final answer
   x = 18,297,762.60