Finding the Third Proportional to 2,200,689 and 4,666,329

Step by Step Solution

1. Step 1: Write the proportion equation
   2,200,689 : 4,666,329 = 4,666,329 : x
2. Step 2: Convert to fraction form
   2,200,689/4,666,329 = 4,666,329/x
3. Step 3: Cross multiply
   2,200,689x = 4,666,329 × 4,666,329
4. Step 4: Simplify right side
   2,200,689x = 21,774,626,336,241
5. Step 5: Solve for x
   x = 21,774,626,336,241/2,200,689
6. Step 6: Final answer
   x = 9,894,458.66