Finding the Third Proportional to 13,288,504 and 20,818,488

Step by Step Solution

1. Step 1: Write the proportion equation
   13,288,504 : 20,818,488 = 20,818,488 : x
2. Step 2: Convert to fraction form
   13,288,504/20,818,488 = 20,818,488/x
3. Step 3: Cross multiply
   13,288,504x = 20,818,488 × 20,818,488
4. Step 4: Simplify right side
   13,288,504x = 433,409,442,606,144
5. Step 5: Solve for x
   x = 433,409,442,606,144/13,288,504
6. Step 6: Final answer
   x = 32,615,367.58