Finding the Third Proportional to 9,186,074 and 21,455,993

Step by Step Solution

1. Step 1: Write the proportion equation
   9,186,074 : 21,455,993 = 21,455,993 : x
2. Step 2: Convert to fraction form
   9,186,074/21,455,993 = 21,455,993/x
3. Step 3: Cross multiply
   9,186,074x = 21,455,993 × 21,455,993
4. Step 4: Simplify right side
   9,186,074x = 460,359,635,616,049
5. Step 5: Solve for x
   x = 460,359,635,616,049/9,186,074
6. Step 6: Final answer
   x = 50,114,949.61