Finding the Third Proportional to 1,036,907 and 2,156,586

Step by Step Solution

1. Step 1: Write the proportion equation
   1,036,907 : 2,156,586 = 2,156,586 : x
2. Step 2: Convert to fraction form
   1,036,907/2,156,586 = 2,156,586/x
3. Step 3: Cross multiply
   1,036,907x = 2,156,586 × 2,156,586
4. Step 4: Simplify right side
   1,036,907x = 4,650,863,175,396
5. Step 5: Solve for x
   x = 4,650,863,175,396/1,036,907
6. Step 6: Final answer
   x = 4,485,323.35