Finding the Third Proportional to 9,014,720 and 21,258,990

Step by Step Solution

1. Step 1: Write the proportion equation
   9,014,720 : 21,258,990 = 21,258,990 : x
2. Step 2: Convert to fraction form
   9,014,720/21,258,990 = 21,258,990/x
3. Step 3: Cross multiply
   9,014,720x = 21,258,990 × 21,258,990
4. Step 4: Simplify right side
   9,014,720x = 451,944,655,820,100
5. Step 5: Solve for x
   x = 451,944,655,820,100/9,014,720
6. Step 6: Final answer
   x = 50,134,075.80