Finding the Third Proportional to 1,170,040 and 2,531,978

Step by Step Solution

1. Step 1: Write the proportion equation
   1,170,040 : 2,531,978 = 2,531,978 : x
2. Step 2: Convert to fraction form
   1,170,040/2,531,978 = 2,531,978/x
3. Step 3: Cross multiply
   1,170,040x = 2,531,978 × 2,531,978
4. Step 4: Simplify right side
   1,170,040x = 6,410,912,592,484
5. Step 5: Solve for x
   x = 6,410,912,592,484/1,170,040
6. Step 6: Final answer
   x = 5,479,225.15