Finding the Third Proportional to 421,945.50 and 995,434.50

Step by Step Solution

1. Step 1: Write the proportion equation
   421,945.50 : 995,434.50 = 995,434.50 : x
2. Step 2: Convert to fraction form
   421,945.50/995,434.50 = 995,434.50/x
3. Step 3: Cross multiply
   421,945.50x = 995,434.50 × 995,434.50
4. Step 4: Simplify right side
   421,945.50x = 990,889,843,790.25
5. Step 5: Solve for x
   x = 990,889,843,790.25/421,945.50
6. Step 6: Final answer
   x = 2,348,383.49