Finding the Third Proportional to 2,480,138 and 5,314,570

Step by Step Solution

1. Step 1: Write the proportion equation
   2,480,138 : 5,314,570 = 5,314,570 : x
2. Step 2: Convert to fraction form
   2,480,138/5,314,570 = 5,314,570/x
3. Step 3: Cross multiply
   2,480,138x = 5,314,570 × 5,314,570
4. Step 4: Simplify right side
   2,480,138x = 28,244,654,284,900
5. Step 5: Solve for x
   x = 28,244,654,284,900/2,480,138
6. Step 6: Final answer
   x = 11,388,339.80