Finding the Third Proportional to 665,950 and 1,438,307

Step by Step Solution

1. Step 1: Write the proportion equation
   665,950 : 1,438,307 = 1,438,307 : x
2. Step 2: Convert to fraction form
   665,950/1,438,307 = 1,438,307/x
3. Step 3: Cross multiply
   665,950x = 1,438,307 × 1,438,307
4. Step 4: Simplify right side
   665,950x = 2,068,727,026,249
5. Step 5: Solve for x
   x = 2,068,727,026,249/665,950
6. Step 6: Final answer
   x = 3,106,429.95