Finding the Third Proportional to 1,576,640 and 3,458,488

Step by Step Solution

1. Step 1: Write the proportion equation
   1,576,640 : 3,458,488 = 3,458,488 : x
2. Step 2: Convert to fraction form
   1,576,640/3,458,488 = 3,458,488/x
3. Step 3: Cross multiply
   1,576,640x = 3,458,488 × 3,458,488
4. Step 4: Simplify right side
   1,576,640x = 11,961,139,246,144
5. Step 5: Solve for x
   x = 11,961,139,246,144/1,576,640
6. Step 6: Final answer
   x = 7,586,474.56