Finding the Third Proportional to 326,790 and 703,636.50

Step by Step Solution

1. Step 1: Write the proportion equation
   326,790 : 703,636.50 = 703,636.50 : x
2. Step 2: Convert to fraction form
   326,790/703,636.50 = 703,636.50/x
3. Step 3: Cross multiply
   326,790x = 703,636.50 × 703,636.50
4. Step 4: Simplify right side
   326,790x = 495,104,324,132.25
5. Step 5: Solve for x
   x = 495,104,324,132.25/326,790
6. Step 6: Final answer
   x = 1,515,053.47