Finding the Third Proportional to 12,986,426 and 20,562,582

Step by Step Solution

1. Step 1: Write the proportion equation
   12,986,426 : 20,562,582 = 20,562,582 : x
2. Step 2: Convert to fraction form
   12,986,426/20,562,582 = 20,562,582/x
3. Step 3: Cross multiply
   12,986,426x = 20,562,582 × 20,562,582
4. Step 4: Simplify right side
   12,986,426x = 422,819,778,506,724
5. Step 5: Solve for x
   x = 422,819,778,506,724/12,986,426
6. Step 6: Final answer
   x = 32,558,594.53