Finding the Third Proportional to 1,503,906 and 3,131,740

Step by Step Solution

1. Step 1: Write the proportion equation
   1,503,906 : 3,131,740 = 3,131,740 : x
2. Step 2: Convert to fraction form
   1,503,906/3,131,740 = 3,131,740/x
3. Step 3: Cross multiply
   1,503,906x = 3,131,740 × 3,131,740
4. Step 4: Simplify right side
   1,503,906x = 9,807,795,427,600
5. Step 5: Solve for x
   x = 9,807,795,427,600/1,503,906
6. Step 6: Final answer
   x = 6,521,548.17