Finding the Third Proportional to 2,559,843 and 5,499,574.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,559,843 : 5,499,574.50 = 5,499,574.50 : x
2. Step 2: Convert to fraction form
   2,559,843/5,499,574.50 = 5,499,574.50/x
3. Step 3: Cross multiply
   2,559,843x = 5,499,574.50 × 5,499,574.50
4. Step 4: Simplify right side
   2,559,843x = 30,245,319,681,050.25
5. Step 5: Solve for x
   x = 30,245,319,681,050.25/2,559,843
6. Step 6: Final answer
   x = 11,815,302.61