Finding the Third Proportional to 1,351,388 and 1,820,226

Step by Step Solution

1. Step 1: Write the proportion equation
   1,351,388 : 1,820,226 = 1,820,226 : x
2. Step 2: Convert to fraction form
   1,351,388/1,820,226 = 1,820,226/x
3. Step 3: Cross multiply
   1,351,388x = 1,820,226 × 1,820,226
4. Step 4: Simplify right side
   1,351,388x = 3,313,222,691,076
5. Step 5: Solve for x
   x = 3,313,222,691,076/1,351,388
6. Step 6: Final answer
   x = 2,451,718.30