Finding the Third Proportional to 9,186,048 and 21,455,928

Step by Step Solution

1. Step 1: Write the proportion equation
   9,186,048 : 21,455,928 = 21,455,928 : x
2. Step 2: Convert to fraction form
   9,186,048/21,455,928 = 21,455,928/x
3. Step 3: Cross multiply
   9,186,048x = 21,455,928 × 21,455,928
4. Step 4: Simplify right side
   9,186,048x = 460,356,846,341,184
5. Step 5: Solve for x
   x = 460,356,846,341,184/9,186,048
6. Step 6: Final answer
   x = 50,114,787.81