Finding the Third Proportional to 683,217 and 1,085,650.50

Step by Step Solution

1. Step 1: Write the proportion equation
   683,217 : 1,085,650.50 = 1,085,650.50 : x
2. Step 2: Convert to fraction form
   683,217/1,085,650.50 = 1,085,650.50/x
3. Step 3: Cross multiply
   683,217x = 1,085,650.50 × 1,085,650.50
4. Step 4: Simplify right side
   683,217x = 1,178,637,008,150.25
5. Step 5: Solve for x
   x = 1,178,637,008,150.25/683,217
6. Step 6: Final answer
   x = 1,725,128.34