Finding the Third Proportional to 989,174 and 1,488,401

Step by Step Solution

1. Step 1: Write the proportion equation
   989,174 : 1,488,401 = 1,488,401 : x
2. Step 2: Convert to fraction form
   989,174/1,488,401 = 1,488,401/x
3. Step 3: Cross multiply
   989,174x = 1,488,401 × 1,488,401
4. Step 4: Simplify right side
   989,174x = 2,215,337,536,801
5. Step 5: Solve for x
   x = 2,215,337,536,801/989,174
6. Step 6: Final answer
   x = 2,239,583.27