Finding the Third Proportional to 1,117,978 and 2,412,982

Step by Step Solution

1. Step 1: Write the proportion equation
   1,117,978 : 2,412,982 = 2,412,982 : x
2. Step 2: Convert to fraction form
   1,117,978/2,412,982 = 2,412,982/x
3. Step 3: Cross multiply
   1,117,978x = 2,412,982 × 2,412,982
4. Step 4: Simplify right side
   1,117,978x = 5,822,482,132,324
5. Step 5: Solve for x
   x = 5,822,482,132,324/1,117,978
6. Step 6: Final answer
   x = 5,208,047.15