Finding the Third Proportional to 2,462,821.50 and 5,389,521

Step by Step Solution

1. Step 1: Write the proportion equation
   2,462,821.50 : 5,389,521 = 5,389,521 : x
2. Step 2: Convert to fraction form
   2,462,821.50/5,389,521 = 5,389,521/x
3. Step 3: Cross multiply
   2,462,821.50x = 5,389,521 × 5,389,521
4. Step 4: Simplify right side
   2,462,821.50x = 29,046,936,609,441
5. Step 5: Solve for x
   x = 29,046,936,609,441/2,462,821.50
6. Step 6: Final answer
   x = 11,794,170.47