Finding the Third Proportional to 1,078,840 and 1,554,036

Step by Step Solution

1. Step 1: Write the proportion equation
   1,078,840 : 1,554,036 = 1,554,036 : x
2. Step 2: Convert to fraction form
   1,078,840/1,554,036 = 1,554,036/x
3. Step 3: Cross multiply
   1,078,840x = 1,554,036 × 1,554,036
4. Step 4: Simplify right side
   1,078,840x = 2,415,027,889,296
5. Step 5: Solve for x
   x = 2,415,027,889,296/1,078,840
6. Step 6: Final answer
   x = 2,238,541.29