Finding the Third Proportional to 5,671,584 and 8,717,616

Step by Step Solution

1. Step 1: Write the proportion equation
   5,671,584 : 8,717,616 = 8,717,616 : x
2. Step 2: Convert to fraction form
   5,671,584/8,717,616 = 8,717,616/x
3. Step 3: Cross multiply
   5,671,584x = 8,717,616 × 8,717,616
4. Step 4: Simplify right side
   5,671,584x = 75,996,828,723,456
5. Step 5: Solve for x
   x = 75,996,828,723,456/5,671,584
6. Step 6: Final answer
   x = 13,399,577.39