Finding the Third Proportional to 666,308 and 1,456,888

Step by Step Solution

1. Step 1: Write the proportion equation
   666,308 : 1,456,888 = 1,456,888 : x
2. Step 2: Convert to fraction form
   666,308/1,456,888 = 1,456,888/x
3. Step 3: Cross multiply
   666,308x = 1,456,888 × 1,456,888
4. Step 4: Simplify right side
   666,308x = 2,122,522,644,544
5. Step 5: Solve for x
   x = 2,122,522,644,544/666,308
6. Step 6: Final answer
   x = 3,185,497.76