Finding the Third Proportional to 1,018,600 and 2,158,624

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018,600 : 2,158,624 = 2,158,624 : x
2. Step 2: Convert to fraction form
   1,018,600/2,158,624 = 2,158,624/x
3. Step 3: Cross multiply
   1,018,600x = 2,158,624 × 2,158,624
4. Step 4: Simplify right side
   1,018,600x = 4,659,657,573,376
5. Step 5: Solve for x
   x = 4,659,657,573,376/1,018,600
6. Step 6: Final answer
   x = 4,574,570.56