Finding the Third Proportional to 1,018,340 and 2,239,992

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018,340 : 2,239,992 = 2,239,992 : x
2. Step 2: Convert to fraction form
   1,018,340/2,239,992 = 2,239,992/x
3. Step 3: Cross multiply
   1,018,340x = 2,239,992 × 2,239,992
4. Step 4: Simplify right side
   1,018,340x = 5,017,564,160,064
5. Step 5: Solve for x
   x = 5,017,564,160,064/1,018,340
6. Step 6: Final answer
   x = 4,927,199.32