Finding the Third Proportional to 1,388,223 and 2,815,083

Step by Step Solution

1. Step 1: Write the proportion equation
   1,388,223 : 2,815,083 = 2,815,083 : x
2. Step 2: Convert to fraction form
   1,388,223/2,815,083 = 2,815,083/x
3. Step 3: Cross multiply
   1,388,223x = 2,815,083 × 2,815,083
4. Step 4: Simplify right side
   1,388,223x = 7,924,692,296,889
5. Step 5: Solve for x
   x = 7,924,692,296,889/1,388,223
6. Step 6: Final answer
   x = 5,708,515.34