Finding the Third Proportional to 1,247,122 and 1,783,483

Step by Step Solution

1. Step 1: Write the proportion equation
   1,247,122 : 1,783,483 = 1,783,483 : x
2. Step 2: Convert to fraction form
   1,247,122/1,783,483 = 1,783,483/x
3. Step 3: Cross multiply
   1,247,122x = 1,783,483 × 1,783,483
4. Step 4: Simplify right side
   1,247,122x = 3,180,811,611,289
5. Step 5: Solve for x
   x = 3,180,811,611,289/1,247,122
6. Step 6: Final answer
   x = 2,550,521.61