Finding the Third Proportional to 5,671,561 and 8,717,595

Step by Step Solution

1. Step 1: Write the proportion equation
   5,671,561 : 8,717,595 = 8,717,595 : x
2. Step 2: Convert to fraction form
   5,671,561/8,717,595 = 8,717,595/x
3. Step 3: Cross multiply
   5,671,561x = 8,717,595 × 8,717,595
4. Step 4: Simplify right side
   5,671,561x = 75,996,462,584,025
5. Step 5: Solve for x
   x = 75,996,462,584,025/5,671,561
6. Step 6: Final answer
   x = 13,399,567.17