Finding the Third Proportional to 664,603 and 1,462,118

Step by Step Solution

1. Step 1: Write the proportion equation
   664,603 : 1,462,118 = 1,462,118 : x
2. Step 2: Convert to fraction form
   664,603/1,462,118 = 1,462,118/x
3. Step 3: Cross multiply
   664,603x = 1,462,118 × 1,462,118
4. Step 4: Simplify right side
   664,603x = 2,137,789,045,924
5. Step 5: Solve for x
   x = 2,137,789,045,924/664,603
6. Step 6: Final answer
   x = 3,216,640.68