Finding the Third Proportional to 3,656,760 and 7,875,456

Step by Step Solution

1. Step 1: Write the proportion equation
   3,656,760 : 7,875,456 = 7,875,456 : x
2. Step 2: Convert to fraction form
   3,656,760/7,875,456 = 7,875,456/x
3. Step 3: Cross multiply
   3,656,760x = 7,875,456 × 7,875,456
4. Step 4: Simplify right side
   3,656,760x = 62,022,807,207,936
5. Step 5: Solve for x
   x = 62,022,807,207,936/3,656,760
6. Step 6: Final answer
   x = 16,961,136.96