Finding the Third Proportional to 521,840 and 1,143,696

Step by Step Solution

1. Step 1: Write the proportion equation
   521,840 : 1,143,696 = 1,143,696 : x
2. Step 2: Convert to fraction form
   521,840/1,143,696 = 1,143,696/x
3. Step 3: Cross multiply
   521,840x = 1,143,696 × 1,143,696
4. Step 4: Simplify right side
   521,840x = 1,308,040,540,416
5. Step 5: Solve for x
   x = 1,308,040,540,416/521,840
6. Step 6: Final answer
   x = 2,506,593.09