Finding the Third Proportional to 2,250,558 and 5,309,370

Step by Step Solution

1. Step 1: Write the proportion equation
   2,250,558 : 5,309,370 = 5,309,370 : x
2. Step 2: Convert to fraction form
   2,250,558/5,309,370 = 5,309,370/x
3. Step 3: Cross multiply
   2,250,558x = 5,309,370 × 5,309,370
4. Step 4: Simplify right side
   2,250,558x = 28,189,409,796,900
5. Step 5: Solve for x
   x = 28,189,409,796,900/2,250,558
6. Step 6: Final answer
   x = 12,525,520.25