Finding the Third Proportional to 666,290 and 1,456,852

Step by Step Solution

1. Step 1: Write the proportion equation
   666,290 : 1,456,852 = 1,456,852 : x
2. Step 2: Convert to fraction form
   666,290/1,456,852 = 1,456,852/x
3. Step 3: Cross multiply
   666,290x = 1,456,852 × 1,456,852
4. Step 4: Simplify right side
   666,290x = 2,122,417,749,904
5. Step 5: Solve for x
   x = 2,122,417,749,904/666,290
6. Step 6: Final answer
   x = 3,185,426.39