Finding the Third Proportional to 665,801.50 and 1,438,012

Step by Step Solution

1. Step 1: Write the proportion equation
   665,801.50 : 1,438,012 = 1,438,012 : x
2. Step 2: Convert to fraction form
   665,801.50/1,438,012 = 1,438,012/x
3. Step 3: Cross multiply
   665,801.50x = 1,438,012 × 1,438,012
4. Step 4: Simplify right side
   665,801.50x = 2,067,878,512,144
5. Step 5: Solve for x
   x = 2,067,878,512,144/665,801.50
6. Step 6: Final answer
   x = 3,105,848.38