Finding the Third Proportional to 1,027,378 and 1,363,215

Step by Step Solution

1. Step 1: Write the proportion equation
   1,027,378 : 1,363,215 = 1,363,215 : x
2. Step 2: Convert to fraction form
   1,027,378/1,363,215 = 1,363,215/x
3. Step 3: Cross multiply
   1,027,378x = 1,363,215 × 1,363,215
4. Step 4: Simplify right side
   1,027,378x = 1,858,355,136,225
5. Step 5: Solve for x
   x = 1,858,355,136,225/1,027,378
6. Step 6: Final answer
   x = 1,808,832.91