Finding the Third Proportional to 3,870,454 and 5,413,475

Step by Step Solution

1. Step 1: Write the proportion equation
   3,870,454 : 5,413,475 = 5,413,475 : x
2. Step 2: Convert to fraction form
   3,870,454/5,413,475 = 5,413,475/x
3. Step 3: Cross multiply
   3,870,454x = 5,413,475 × 5,413,475
4. Step 4: Simplify right side
   3,870,454x = 29,305,711,575,625
5. Step 5: Solve for x
   x = 29,305,711,575,625/3,870,454
6. Step 6: Final answer
   x = 7,571,647.04