Finding the Third Proportional to 3,655,609 and 5,110,503

Step by Step Solution

1. Step 1: Write the proportion equation
   3,655,609 : 5,110,503 = 5,110,503 : x
2. Step 2: Convert to fraction form
   3,655,609/5,110,503 = 5,110,503/x
3. Step 3: Cross multiply
   3,655,609x = 5,110,503 × 5,110,503
4. Step 4: Simplify right side
   3,655,609x = 26,117,240,913,009
5. Step 5: Solve for x
   x = 26,117,240,913,009/3,655,609
6. Step 6: Final answer
   x = 7,144,429.54