Finding the Third Proportional to 2,389,932 and 5,160,186

Step by Step Solution

1. Step 1: Write the proportion equation
   2,389,932 : 5,160,186 = 5,160,186 : x
2. Step 2: Convert to fraction form
   2,389,932/5,160,186 = 5,160,186/x
3. Step 3: Cross multiply
   2,389,932x = 5,160,186 × 5,160,186
4. Step 4: Simplify right side
   2,389,932x = 26,627,519,554,596
5. Step 5: Solve for x
   x = 26,627,519,554,596/2,389,932
6. Step 6: Final answer
   x = 11,141,538.57