Finding the Third Proportional to 1,942,118 and 2,940,172

Step by Step Solution

1. Step 1: Write the proportion equation
   1,942,118 : 2,940,172 = 2,940,172 : x
2. Step 2: Convert to fraction form
   1,942,118/2,940,172 = 2,940,172/x
3. Step 3: Cross multiply
   1,942,118x = 2,940,172 × 2,940,172
4. Step 4: Simplify right side
   1,942,118x = 8,644,611,389,584
5. Step 5: Solve for x
   x = 8,644,611,389,584/1,942,118
6. Step 6: Final answer
   x = 4,451,125.72