Finding the Third Proportional to 664,302 and 1,057,536

Step by Step Solution

1. Step 1: Write the proportion equation
   664,302 : 1,057,536 = 1,057,536 : x
2. Step 2: Convert to fraction form
   664,302/1,057,536 = 1,057,536/x
3. Step 3: Cross multiply
   664,302x = 1,057,536 × 1,057,536
4. Step 4: Simplify right side
   664,302x = 1,118,382,391,296
5. Step 5: Solve for x
   x = 1,118,382,391,296/664,302
6. Step 6: Final answer
   x = 1,683,545.12