Finding the Third Proportional to 5,788,682 and 8,509,590

Step by Step Solution

1. Step 1: Write the proportion equation
   5,788,682 : 8,509,590 = 8,509,590 : x
2. Step 2: Convert to fraction form
   5,788,682/8,509,590 = 8,509,590/x
3. Step 3: Cross multiply
   5,788,682x = 8,509,590 × 8,509,590
4. Step 4: Simplify right side
   5,788,682x = 72,413,121,968,100
5. Step 5: Solve for x
   x = 72,413,121,968,100/5,788,682
6. Step 6: Final answer
   x = 12,509,431.68