Finding the Third Proportional to 683,685.56 and 995,545.69

Step by Step Solution

1. Step 1: Write the proportion equation
   683,685.56 : 995,545.69 = 995,545.69 : x
2. Step 2: Convert to fraction form
   683,685.56/995,545.69 = 995,545.69/x
3. Step 3: Cross multiply
   683,685.56x = 995,545.69 × 995,545.69
4. Step 4: Simplify right side
   683,685.56x = 991,111,215,899.85
5. Step 5: Solve for x
   x = 991,111,215,899.85/683,685.56
6. Step 6: Final answer
   x = 1,449,659.42