Finding the Third Proportional to 1,247,926 and 1,783,315

Step by Step Solution

1. Step 1: Write the proportion equation
   1,247,926 : 1,783,315 = 1,783,315 : x
2. Step 2: Convert to fraction form
   1,247,926/1,783,315 = 1,783,315/x
3. Step 3: Cross multiply
   1,247,926x = 1,783,315 × 1,783,315
4. Step 4: Simplify right side
   1,247,926x = 3,180,212,389,225
5. Step 5: Solve for x
   x = 3,180,212,389,225/1,247,926
6. Step 6: Final answer
   x = 2,548,398.21