Finding the Third Proportional to 939,778 and 1,513,188

Step by Step Solution

1. Step 1: Write the proportion equation
   939,778 : 1,513,188 = 1,513,188 : x
2. Step 2: Convert to fraction form
   939,778/1,513,188 = 1,513,188/x
3. Step 3: Cross multiply
   939,778x = 1,513,188 × 1,513,188
4. Step 4: Simplify right side
   939,778x = 2,289,737,923,344
5. Step 5: Solve for x
   x = 2,289,737,923,344/939,778
6. Step 6: Final answer
   x = 2,436,466.83