Finding the Third Proportional to 1,293,400 and 2,669,818

Step by Step Solution

1. Step 1: Write the proportion equation
   1,293,400 : 2,669,818 = 2,669,818 : x
2. Step 2: Convert to fraction form
   1,293,400/2,669,818 = 2,669,818/x
3. Step 3: Cross multiply
   1,293,400x = 2,669,818 × 2,669,818
4. Step 4: Simplify right side
   1,293,400x = 7,127,928,153,124
5. Step 5: Solve for x
   x = 7,127,928,153,124/1,293,400
6. Step 6: Final answer
   x = 5,511,000.58