Finding the Third Proportional to 472,812 and 1,024,380

Step by Step Solution

1. Step 1: Write the proportion equation
   472,812 : 1,024,380 = 1,024,380 : x
2. Step 2: Convert to fraction form
   472,812/1,024,380 = 1,024,380/x
3. Step 3: Cross multiply
   472,812x = 1,024,380 × 1,024,380
4. Step 4: Simplify right side
   472,812x = 1,049,354,384,400
5. Step 5: Solve for x
   x = 1,049,354,384,400/472,812
6. Step 6: Final answer
   x = 2,219,390.34