Finding the Third Proportional to 2,257,416 and 4,820,985

Step by Step Solution

1. Step 1: Write the proportion equation
   2,257,416 : 4,820,985 = 4,820,985 : x
2. Step 2: Convert to fraction form
   2,257,416/4,820,985 = 4,820,985/x
3. Step 3: Cross multiply
   2,257,416x = 4,820,985 × 4,820,985
4. Step 4: Simplify right side
   2,257,416x = 23,241,896,370,225
5. Step 5: Solve for x
   x = 23,241,896,370,225/2,257,416
6. Step 6: Final answer
   x = 10,295,796.77