Finding the Third Proportional to 3,118,217 and 4,664,610

Step by Step Solution

1. Step 1: Write the proportion equation
   3,118,217 : 4,664,610 = 4,664,610 : x
2. Step 2: Convert to fraction form
   3,118,217/4,664,610 = 4,664,610/x
3. Step 3: Cross multiply
   3,118,217x = 4,664,610 × 4,664,610
4. Step 4: Simplify right side
   3,118,217x = 21,758,586,452,100
5. Step 5: Solve for x
   x = 21,758,586,452,100/3,118,217
6. Step 6: Final answer
   x = 6,977,893.60