Finding the Third Proportional to 191,036 and 410,258

Step by Step Solution

1. Step 1: Write the proportion equation
   191,036 : 410,258 = 410,258 : x
2. Step 2: Convert to fraction form
   191,036/410,258 = 410,258/x
3. Step 3: Cross multiply
   191,036x = 410,258 × 410,258
4. Step 4: Simplify right side
   191,036x = 168,311,626,564
5. Step 5: Solve for x
   x = 168,311,626,564/191,036
6. Step 6: Final answer
   x = 881,046.64