Finding the Third Proportional to 2,587,198.50 and 5,627,412.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,587,198.50 : 5,627,412.50 = 5,627,412.50 : x
2. Step 2: Convert to fraction form
   2,587,198.50/5,627,412.50 = 5,627,412.50/x
3. Step 3: Cross multiply
   2,587,198.50x = 5,627,412.50 × 5,627,412.50
4. Step 4: Simplify right side
   2,587,198.50x = 31,667,771,445,156.25
5. Step 5: Solve for x
   x = 31,667,771,445,156.25/2,587,198.50
6. Step 6: Final answer
   x = 12,240,178.50