Finding the Third Proportional to 4,453,684 and 9,758,570

Step by Step Solution

1. Step 1: Write the proportion equation
   4,453,684 : 9,758,570 = 9,758,570 : x
2. Step 2: Convert to fraction form
   4,453,684/9,758,570 = 9,758,570/x
3. Step 3: Cross multiply
   4,453,684x = 9,758,570 × 9,758,570
4. Step 4: Simplify right side
   4,453,684x = 95,229,688,444,900
5. Step 5: Solve for x
   x = 95,229,688,444,900/4,453,684
6. Step 6: Final answer
   x = 21,382,228.39