Finding the Third Proportional to 5,749,144 and 12,518,256

Step by Step Solution

1. Step 1: Write the proportion equation
   5,749,144 : 12,518,256 = 12,518,256 : x
2. Step 2: Convert to fraction form
   5,749,144/12,518,256 = 12,518,256/x
3. Step 3: Cross multiply
   5,749,144x = 12,518,256 × 12,518,256
4. Step 4: Simplify right side
   5,749,144x = 156,706,733,281,536
5. Step 5: Solve for x
   x = 156,706,733,281,536/5,749,144
6. Step 6: Final answer
   x = 27,257,402.72