Finding the Third Proportional to 3,586,858 and 7,740,344

Step by Step Solution

1. Step 1: Write the proportion equation
   3,586,858 : 7,740,344 = 7,740,344 : x
2. Step 2: Convert to fraction form
   3,586,858/7,740,344 = 7,740,344/x
3. Step 3: Cross multiply
   3,586,858x = 7,740,344 × 7,740,344
4. Step 4: Simplify right side
   3,586,858x = 59,912,925,238,336
5. Step 5: Solve for x
   x = 59,912,925,238,336/3,586,858
6. Step 6: Final answer
   x = 16,703,456.13