Finding the Third Proportional to 4,464,435 and 9,689,946

Step by Step Solution

1. Step 1: Write the proportion equation
   4,464,435 : 9,689,946 = 9,689,946 : x
2. Step 2: Convert to fraction form
   4,464,435/9,689,946 = 9,689,946/x
3. Step 3: Cross multiply
   4,464,435x = 9,689,946 × 9,689,946
4. Step 4: Simplify right side
   4,464,435x = 93,895,053,482,916
5. Step 5: Solve for x
   x = 93,895,053,482,916/4,464,435
6. Step 6: Final answer
   x = 21,031,788.68