Finding the Third Proportional to 1,109,487 and 1,664,257

Step by Step Solution

1. Step 1: Write the proportion equation
   1,109,487 : 1,664,257 = 1,664,257 : x
2. Step 2: Convert to fraction form
   1,109,487/1,664,257 = 1,664,257/x
3. Step 3: Cross multiply
   1,109,487x = 1,664,257 × 1,664,257
4. Step 4: Simplify right side
   1,109,487x = 2,769,751,362,049
5. Step 5: Solve for x
   x = 2,769,751,362,049/1,109,487
6. Step 6: Final answer
   x = 2,496,425.25