Finding the Third Proportional to 5,788,692 and 8,509,605

Step by Step Solution

1. Step 1: Write the proportion equation
   5,788,692 : 8,509,605 = 8,509,605 : x
2. Step 2: Convert to fraction form
   5,788,692/8,509,605 = 8,509,605/x
3. Step 3: Cross multiply
   5,788,692x = 8,509,605 × 8,509,605
4. Step 4: Simplify right side
   5,788,692x = 72,413,377,256,025
5. Step 5: Solve for x
   x = 72,413,377,256,025/5,788,692
6. Step 6: Final answer
   x = 12,509,454.17