Finding the Third Proportional to 2,561,914.50 and 5,503,717.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,561,914.50 : 5,503,717.50 = 5,503,717.50 : x
2. Step 2: Convert to fraction form
   2,561,914.50/5,503,717.50 = 5,503,717.50/x
3. Step 3: Cross multiply
   2,561,914.50x = 5,503,717.50 × 5,503,717.50
4. Step 4: Simplify right side
   2,561,914.50x = 30,290,906,319,806.25
5. Step 5: Solve for x
   x = 30,290,906,319,806.25/2,561,914.50
6. Step 6: Final answer
   x = 11,823,543.03