Finding the Third Proportional to 487,916 and 1,057,282

Step by Step Solution

1. Step 1: Write the proportion equation
   487,916 : 1,057,282 = 1,057,282 : x
2. Step 2: Convert to fraction form
   487,916/1,057,282 = 1,057,282/x
3. Step 3: Cross multiply
   487,916x = 1,057,282 × 1,057,282
4. Step 4: Simplify right side
   487,916x = 1,117,845,227,524
5. Step 5: Solve for x
   x = 1,117,845,227,524/487,916
6. Step 6: Final answer
   x = 2,291,060.81