Finding the Third Proportional to 5,671,570 and 8,717,604

Step by Step Solution

1. Step 1: Write the proportion equation
   5,671,570 : 8,717,604 = 8,717,604 : x
2. Step 2: Convert to fraction form
   5,671,570/8,717,604 = 8,717,604/x
3. Step 3: Cross multiply
   5,671,570x = 8,717,604 × 8,717,604
4. Step 4: Simplify right side
   5,671,570x = 75,996,619,500,816
5. Step 5: Solve for x
   x = 75,996,619,500,816/5,671,570
6. Step 6: Final answer
   x = 13,399,573.58