Finding the Third Proportional to 396,826.50 and 598,818

Step by Step Solution

1. Step 1: Write the proportion equation
   396,826.50 : 598,818 = 598,818 : x
2. Step 2: Convert to fraction form
   396,826.50/598,818 = 598,818/x
3. Step 3: Cross multiply
   396,826.50x = 598,818 × 598,818
4. Step 4: Simplify right side
   396,826.50x = 358,582,997,124
5. Step 5: Solve for x
   x = 358,582,997,124/396,826.50
6. Step 6: Final answer
   x = 903,626.64