Finding the Third Proportional to 5,788,584 and 8,509,455

Step by Step Solution

1. Step 1: Write the proportion equation
   5,788,584 : 8,509,455 = 8,509,455 : x
2. Step 2: Convert to fraction form
   5,788,584/8,509,455 = 8,509,455/x
3. Step 3: Cross multiply
   5,788,584x = 8,509,455 × 8,509,455
4. Step 4: Simplify right side
   5,788,584x = 72,410,824,397,025
5. Step 5: Solve for x
   x = 72,410,824,397,025/5,788,584
6. Step 6: Final answer
   x = 12,509,246.54