Finding the Third Proportional to 1,503,722 and 3,242,172

Step by Step Solution

1. Step 1: Write the proportion equation
   1,503,722 : 3,242,172 = 3,242,172 : x
2. Step 2: Convert to fraction form
   1,503,722/3,242,172 = 3,242,172/x
3. Step 3: Cross multiply
   1,503,722x = 3,242,172 × 3,242,172
4. Step 4: Simplify right side
   1,503,722x = 10,511,679,277,584
5. Step 5: Solve for x
   x = 10,511,679,277,584/1,503,722
6. Step 6: Final answer
   x = 6,990,440.57