Finding the Third Proportional to 2,540,488.50 and 3,621,557.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,540,488.50 : 3,621,557.25 = 3,621,557.25 : x
2. Step 2: Convert to fraction form
   2,540,488.50/3,621,557.25 = 3,621,557.25/x
3. Step 3: Cross multiply
   2,540,488.50x = 3,621,557.25 × 3,621,557.25
4. Step 4: Simplify right side
   2,540,488.50x = 13,115,676,915,027.56
5. Step 5: Solve for x
   x = 13,115,676,915,027.56/2,540,488.50
6. Step 6: Final answer
   x = 5,162,659.43