Finding the Third Proportional to 3,606,422 and 5,581,329

Step by Step Solution

1. Step 1: Write the proportion equation
   3,606,422 : 5,581,329 = 5,581,329 : x
2. Step 2: Convert to fraction form
   3,606,422/5,581,329 = 5,581,329/x
3. Step 3: Cross multiply
   3,606,422x = 5,581,329 × 5,581,329
4. Step 4: Simplify right side
   3,606,422x = 31,151,233,406,241
5. Step 5: Solve for x
   x = 31,151,233,406,241/3,606,422
6. Step 6: Final answer
   x = 8,637,711.67