Finding the Third Proportional to 1,945,613 and 3,108,129

Step by Step Solution

1. Step 1: Write the proportion equation
   1,945,613 : 3,108,129 = 3,108,129 : x
2. Step 2: Convert to fraction form
   1,945,613/3,108,129 = 3,108,129/x
3. Step 3: Cross multiply
   1,945,613x = 3,108,129 × 3,108,129
4. Step 4: Simplify right side
   1,945,613x = 9,660,465,880,641
5. Step 5: Solve for x
   x = 9,660,465,880,641/1,945,613
6. Step 6: Final answer
   x = 4,965,255.62