Finding the Third Proportional to 664,470 and 1,559,951

Step by Step Solution

1. Step 1: Write the proportion equation
   664,470 : 1,559,951 = 1,559,951 : x
2. Step 2: Convert to fraction form
   664,470/1,559,951 = 1,559,951/x
3. Step 3: Cross multiply
   664,470x = 1,559,951 × 1,559,951
4. Step 4: Simplify right side
   664,470x = 2,433,447,122,401
5. Step 5: Solve for x
   x = 2,433,447,122,401/664,470
6. Step 6: Final answer
   x = 3,662,237.76