Finding the Third Proportional to 8,216,528 and 12,020,508

Step by Step Solution

1. Step 1: Write the proportion equation
   8,216,528 : 12,020,508 = 12,020,508 : x
2. Step 2: Convert to fraction form
   8,216,528/12,020,508 = 12,020,508/x
3. Step 3: Cross multiply
   8,216,528x = 12,020,508 × 12,020,508
4. Step 4: Simplify right side
   8,216,528x = 144,492,612,578,064
5. Step 5: Solve for x
   x = 144,492,612,578,064/8,216,528
6. Step 6: Final answer
   x = 17,585,604.60