Finding the Third Proportional to 5,247,540 and 7,887,510

Step by Step Solution

1. Step 1: Write the proportion equation
   5,247,540 : 7,887,510 = 7,887,510 : x
2. Step 2: Convert to fraction form
   5,247,540/7,887,510 = 7,887,510/x
3. Step 3: Cross multiply
   5,247,540x = 7,887,510 × 7,887,510
4. Step 4: Simplify right side
   5,247,540x = 62,212,814,000,100
5. Step 5: Solve for x
   x = 62,212,814,000,100/5,247,540
6. Step 6: Final answer
   x = 11,855,615.01