Finding the Third Proportional to 9,186,184 and 21,456,256

Step by Step Solution

1. Step 1: Write the proportion equation
   9,186,184 : 21,456,256 = 21,456,256 : x
2. Step 2: Convert to fraction form
   9,186,184/21,456,256 = 21,456,256/x
3. Step 3: Cross multiply
   9,186,184x = 21,456,256 × 21,456,256
4. Step 4: Simplify right side
   9,186,184x = 460,370,921,537,536
5. Step 5: Solve for x
   x = 460,370,921,537,536/9,186,184
6. Step 6: Final answer
   x = 50,115,578.08