Finding the Third Proportional to 1,972,686 and 3,042,138

Step by Step Solution

1. Step 1: Write the proportion equation
   1,972,686 : 3,042,138 = 3,042,138 : x
2. Step 2: Convert to fraction form
   1,972,686/3,042,138 = 3,042,138/x
3. Step 3: Cross multiply
   1,972,686x = 3,042,138 × 3,042,138
4. Step 4: Simplify right side
   1,972,686x = 9,254,603,611,044
5. Step 5: Solve for x
   x = 9,254,603,611,044/1,972,686
6. Step 6: Final answer
   x = 4,691,371.87