Finding the Third Proportional to 2,508,440 and 5,516,296

Step by Step Solution

1. Step 1: Write the proportion equation
   2,508,440 : 5,516,296 = 5,516,296 : x
2. Step 2: Convert to fraction form
   2,508,440/5,516,296 = 5,516,296/x
3. Step 3: Cross multiply
   2,508,440x = 5,516,296 × 5,516,296
4. Step 4: Simplify right side
   2,508,440x = 30,429,521,559,616
5. Step 5: Solve for x
   x = 30,429,521,559,616/2,508,440
6. Step 6: Final answer
   x = 12,130,854.86