Finding the Third Proportional to 923,400 and 1,978,182

Step by Step Solution

1. Step 1: Write the proportion equation
   923,400 : 1,978,182 = 1,978,182 : x
2. Step 2: Convert to fraction form
   923,400/1,978,182 = 1,978,182/x
3. Step 3: Cross multiply
   923,400x = 1,978,182 × 1,978,182
4. Step 4: Simplify right side
   923,400x = 3,913,204,025,124
5. Step 5: Solve for x
   x = 3,913,204,025,124/923,400
6. Step 6: Final answer
   x = 4,237,821.12