Finding the Third Proportional to 465,690 and 1,018,557

Step by Step Solution

1. Step 1: Write the proportion equation
   465,690 : 1,018,557 = 1,018,557 : x
2. Step 2: Convert to fraction form
   465,690/1,018,557 = 1,018,557/x
3. Step 3: Cross multiply
   465,690x = 1,018,557 × 1,018,557
4. Step 4: Simplify right side
   465,690x = 1,037,458,362,249
5. Step 5: Solve for x
   x = 1,037,458,362,249/465,690
6. Step 6: Final answer
   x = 2,227,787.50