Finding the Third Proportional to 1,016,512 and 1,490,818

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016,512 : 1,490,818 = 1,490,818 : x
2. Step 2: Convert to fraction form
   1,016,512/1,490,818 = 1,490,818/x
3. Step 3: Cross multiply
   1,016,512x = 1,490,818 × 1,490,818
4. Step 4: Simplify right side
   1,016,512x = 2,222,538,309,124
5. Step 5: Solve for x
   x = 2,222,538,309,124/1,016,512
6. Step 6: Final answer
   x = 2,186,435.88