Finding the Third Proportional to 5,788,680 and 8,509,584

Step by Step Solution

1. Step 1: Write the proportion equation
   5,788,680 : 8,509,584 = 8,509,584 : x
2. Step 2: Convert to fraction form
   5,788,680/8,509,584 = 8,509,584/x
3. Step 3: Cross multiply
   5,788,680x = 8,509,584 × 8,509,584
4. Step 4: Simplify right side
   5,788,680x = 72,413,019,853,056
5. Step 5: Solve for x
   x = 72,413,019,853,056/5,788,680
6. Step 6: Final answer
   x = 12,509,418.36