Finding the Third Proportional to 3,586,854 and 7,740,336

Step by Step Solution

1. Step 1: Write the proportion equation
   3,586,854 : 7,740,336 = 7,740,336 : x
2. Step 2: Convert to fraction form
   3,586,854/7,740,336 = 7,740,336/x
3. Step 3: Cross multiply
   3,586,854x = 7,740,336 × 7,740,336
4. Step 4: Simplify right side
   3,586,854x = 59,912,801,392,896
5. Step 5: Solve for x
   x = 59,912,801,392,896/3,586,854
6. Step 6: Final answer
   x = 16,703,440.23