Finding the Third Proportional to 8,112,528 and 12,143,520

Step by Step Solution

1. Step 1: Write the proportion equation
   8,112,528 : 12,143,520 = 12,143,520 : x
2. Step 2: Convert to fraction form
   8,112,528/12,143,520 = 12,143,520/x
3. Step 3: Cross multiply
   8,112,528x = 12,143,520 × 12,143,520
4. Step 4: Simplify right side
   8,112,528x = 147,465,077,990,400
5. Step 5: Solve for x
   x = 147,465,077,990,400/8,112,528
6. Step 6: Final answer
   x = 18,177,450.73