Finding the Third Proportional to 3,361,117 and 5,166,258

Step by Step Solution

1. Step 1: Write the proportion equation
   3,361,117 : 5,166,258 = 5,166,258 : x
2. Step 2: Convert to fraction form
   3,361,117/5,166,258 = 5,166,258/x
3. Step 3: Cross multiply
   3,361,117x = 5,166,258 × 5,166,258
4. Step 4: Simplify right side
   3,361,117x = 26,690,221,722,564
5. Step 5: Solve for x
   x = 26,690,221,722,564/3,361,117
6. Step 6: Final answer
   x = 7,940,878.50