Finding the Third Proportional to 9,186,120 and 21,456,104

Step by Step Solution

1. Step 1: Write the proportion equation
   9,186,120 : 21,456,104 = 21,456,104 : x
2. Step 2: Convert to fraction form
   9,186,120/21,456,104 = 21,456,104/x
3. Step 3: Cross multiply
   9,186,120x = 21,456,104 × 21,456,104
4. Step 4: Simplify right side
   9,186,120x = 460,364,398,858,816
5. Step 5: Solve for x
   x = 460,364,398,858,816/9,186,120
6. Step 6: Final answer
   x = 50,115,217.18