Finding the Third Proportional to 923,178 and 1,919,740

Step by Step Solution

1. Step 1: Write the proportion equation
   923,178 : 1,919,740 = 1,919,740 : x
2. Step 2: Convert to fraction form
   923,178/1,919,740 = 1,919,740/x
3. Step 3: Cross multiply
   923,178x = 1,919,740 × 1,919,740
4. Step 4: Simplify right side
   923,178x = 3,685,401,667,600
5. Step 5: Solve for x
   x = 3,685,401,667,600/923,178
6. Step 6: Final answer
   x = 3,992,081.34