Finding the Third Proportional to 5,671,588 and 8,717,622

Step by Step Solution

1. Step 1: Write the proportion equation
   5,671,588 : 8,717,622 = 8,717,622 : x
2. Step 2: Convert to fraction form
   5,671,588/8,717,622 = 8,717,622/x
3. Step 3: Cross multiply
   5,671,588x = 8,717,622 × 8,717,622
4. Step 4: Simplify right side
   5,671,588x = 75,996,933,334,884
5. Step 5: Solve for x
   x = 75,996,933,334,884/5,671,588
6. Step 6: Final answer
   x = 13,399,586.38