Finding the Third Proportional to 403,609.50 and 930,271.50

Step by Step Solution

1. Step 1: Write the proportion equation
   403,609.50 : 930,271.50 = 930,271.50 : x
2. Step 2: Convert to fraction form
   403,609.50/930,271.50 = 930,271.50/x
3. Step 3: Cross multiply
   403,609.50x = 930,271.50 × 930,271.50
4. Step 4: Simplify right side
   403,609.50x = 865,405,063,712.25
5. Step 5: Solve for x
   x = 865,405,063,712.25/403,609.50
6. Step 6: Final answer
   x = 2,144,164.26