Finding the Third Proportional to 416,956.50 and 909,189

Step by Step Solution

1. Step 1: Write the proportion equation
   416,956.50 : 909,189 = 909,189 : x
2. Step 2: Convert to fraction form
   416,956.50/909,189 = 909,189/x
3. Step 3: Cross multiply
   416,956.50x = 909,189 × 909,189
4. Step 4: Simplify right side
   416,956.50x = 826,624,637,721
5. Step 5: Solve for x
   x = 826,624,637,721/416,956.50
6. Step 6: Final answer
   x = 1,982,520.09