Finding the Third Proportional to 6,479,262 and 13,920,144

Step by Step Solution

1. Step 1: Write the proportion equation
   6,479,262 : 13,920,144 = 13,920,144 : x
2. Step 2: Convert to fraction form
   6,479,262/13,920,144 = 13,920,144/x
3. Step 3: Cross multiply
   6,479,262x = 13,920,144 × 13,920,144
4. Step 4: Simplify right side
   6,479,262x = 193,770,408,980,736
5. Step 5: Solve for x
   x = 193,770,408,980,736/6,479,262
6. Step 6: Final answer
   x = 29,906,246.88