Finding the Third Proportional to 5,715,630 and 12,217,320

Step by Step Solution

1. Step 1: Write the proportion equation
   5,715,630 : 12,217,320 = 12,217,320 : x
2. Step 2: Convert to fraction form
   5,715,630/12,217,320 = 12,217,320/x
3. Step 3: Cross multiply
   5,715,630x = 12,217,320 × 12,217,320
4. Step 4: Simplify right side
   5,715,630x = 149,262,907,982,400
5. Step 5: Solve for x
   x = 149,262,907,982,400/5,715,630
6. Step 6: Final answer
   x = 26,114,865.37