Finding the Third Proportional to 2,218,230 and 3,312,561

Step by Step Solution

1. Step 1: Write the proportion equation
   2,218,230 : 3,312,561 = 3,312,561 : x
2. Step 2: Convert to fraction form
   2,218,230/3,312,561 = 3,312,561/x
3. Step 3: Cross multiply
   2,218,230x = 3,312,561 × 3,312,561
4. Step 4: Simplify right side
   2,218,230x = 10,973,060,378,721
5. Step 5: Solve for x
   x = 10,973,060,378,721/2,218,230
6. Step 6: Final answer
   x = 4,946,764.03