Finding the Third Proportional to 12,986,406 and 20,562,552

Step by Step Solution

1. Step 1: Write the proportion equation
   12,986,406 : 20,562,552 = 20,562,552 : x
2. Step 2: Convert to fraction form
   12,986,406/20,562,552 = 20,562,552/x
3. Step 3: Cross multiply
   12,986,406x = 20,562,552 × 20,562,552
4. Step 4: Simplify right side
   12,986,406x = 422,818,544,752,704
5. Step 5: Solve for x
   x = 422,818,544,752,704/12,986,406
6. Step 6: Final answer
   x = 32,558,549.67