Finding the Third Proportional to 5,719,328 and 8,386,536

Step by Step Solution

1. Step 1: Write the proportion equation
   5,719,328 : 8,386,536 = 8,386,536 : x
2. Step 2: Convert to fraction form
   5,719,328/8,386,536 = 8,386,536/x
3. Step 3: Cross multiply
   5,719,328x = 8,386,536 × 8,386,536
4. Step 4: Simplify right side
   5,719,328x = 70,333,986,079,296
5. Step 5: Solve for x
   x = 70,333,986,079,296/5,719,328
6. Step 6: Final answer
   x = 12,297,596.17