Finding the Third Proportional to 2,479,820 and 5,257,224

Step by Step Solution

1. Step 1: Write the proportion equation
   2,479,820 : 5,257,224 = 5,257,224 : x
2. Step 2: Convert to fraction form
   2,479,820/5,257,224 = 5,257,224/x
3. Step 3: Cross multiply
   2,479,820x = 5,257,224 × 5,257,224
4. Step 4: Simplify right side
   2,479,820x = 27,638,404,186,176
5. Step 5: Solve for x
   x = 27,638,404,186,176/2,479,820
6. Step 6: Final answer
   x = 11,145,326.75