Finding the Third Proportional to 5,296,968 and 8,200,251

Step by Step Solution

1. Step 1: Write the proportion equation
   5,296,968 : 8,200,251 = 8,200,251 : x
2. Step 2: Convert to fraction form
   5,296,968/8,200,251 = 8,200,251/x
3. Step 3: Cross multiply
   5,296,968x = 8,200,251 × 8,200,251
4. Step 4: Simplify right side
   5,296,968x = 67,244,116,463,001
5. Step 5: Solve for x
   x = 67,244,116,463,001/5,296,968
6. Step 6: Final answer
   x = 12,694,831.55