Finding the Third Proportional to 3,263,446 and 7,172,300

Step by Step Solution

1. Step 1: Write the proportion equation
   3,263,446 : 7,172,300 = 7,172,300 : x
2. Step 2: Convert to fraction form
   3,263,446/7,172,300 = 7,172,300/x
3. Step 3: Cross multiply
   3,263,446x = 7,172,300 × 7,172,300
4. Step 4: Simplify right side
   3,263,446x = 51,441,887,290,000
5. Step 5: Solve for x
   x = 51,441,887,290,000/3,263,446
6. Step 6: Final answer
   x = 15,763,057.61