Finding the Third Proportional to 6,259,491 and 13,191,498

Step by Step Solution

1. Step 1: Write the proportion equation
   6,259,491 : 13,191,498 = 13,191,498 : x
2. Step 2: Convert to fraction form
   6,259,491/13,191,498 = 13,191,498/x
3. Step 3: Cross multiply
   6,259,491x = 13,191,498 × 13,191,498
4. Step 4: Simplify right side
   6,259,491x = 174,015,619,484,004
5. Step 5: Solve for x
   x = 174,015,619,484,004/6,259,491
6. Step 6: Final answer
   x = 27,800,282.72