Finding the Third Proportional to 10,489,516 and 16,200,116

Step by Step Solution

1. Step 1: Write the proportion equation
   10,489,516 : 16,200,116 = 16,200,116 : x
2. Step 2: Convert to fraction form
   10,489,516/16,200,116 = 16,200,116/x
3. Step 3: Cross multiply
   10,489,516x = 16,200,116 × 16,200,116
4. Step 4: Simplify right side
   10,489,516x = 262,443,758,413,456
5. Step 5: Solve for x
   x = 262,443,758,413,456/10,489,516
6. Step 6: Final answer
   x = 25,019,625.16