Finding the Third Proportional to 2,456,760 and 5,315,926.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456,760 : 5,315,926.50 = 5,315,926.50 : x
2. Step 2: Convert to fraction form
   2,456,760/5,315,926.50 = 5,315,926.50/x
3. Step 3: Cross multiply
   2,456,760x = 5,315,926.50 × 5,315,926.50
4. Step 4: Simplify right side
   2,456,760x = 28,259,074,553,402.25
5. Step 5: Solve for x
   x = 28,259,074,553,402.25/2,456,760
6. Step 6: Final answer
   x = 11,502,578.42