Finding the Third Proportional to 664,468 and 1,559,946

Step by Step Solution

1. Step 1: Write the proportion equation
   664,468 : 1,559,946 = 1,559,946 : x
2. Step 2: Convert to fraction form
   664,468/1,559,946 = 1,559,946/x
3. Step 3: Cross multiply
   664,468x = 1,559,946 × 1,559,946
4. Step 4: Simplify right side
   664,468x = 2,433,431,522,916
5. Step 5: Solve for x
   x = 2,433,431,522,916/664,468
6. Step 6: Final answer
   x = 3,662,225.30