Finding the Third Proportional to 3,181,284 and 4,818,258

Step by Step Solution

1. Step 1: Write the proportion equation
   3,181,284 : 4,818,258 = 4,818,258 : x
2. Step 2: Convert to fraction form
   3,181,284/4,818,258 = 4,818,258/x
3. Step 3: Cross multiply
   3,181,284x = 4,818,258 × 4,818,258
4. Step 4: Simplify right side
   3,181,284x = 23,215,610,154,564
5. Step 5: Solve for x
   x = 23,215,610,154,564/3,181,284
6. Step 6: Final answer
   x = 7,297,559.78