Finding the Third Proportional to 2,485,164 and 5,435,520

Step by Step Solution

1. Step 1: Write the proportion equation
   2,485,164 : 5,435,520 = 5,435,520 : x
2. Step 2: Convert to fraction form
   2,485,164/5,435,520 = 5,435,520/x
3. Step 3: Cross multiply
   2,485,164x = 5,435,520 × 5,435,520
4. Step 4: Simplify right side
   2,485,164x = 29,544,877,670,400
5. Step 5: Solve for x
   x = 29,544,877,670,400/2,485,164
6. Step 6: Final answer
   x = 11,888,502.20