Finding the Third Proportional to 1,018,604 and 2,158,632

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018,604 : 2,158,632 = 2,158,632 : x
2. Step 2: Convert to fraction form
   1,018,604/2,158,632 = 2,158,632/x
3. Step 3: Cross multiply
   1,018,604x = 2,158,632 × 2,158,632
4. Step 4: Simplify right side
   1,018,604x = 4,659,692,111,424
5. Step 5: Solve for x
   x = 4,659,692,111,424/1,018,604
6. Step 6: Final answer
   x = 4,574,586.50