Finding the Third Proportional to 3,900,910 and 5,176,091

Step by Step Solution

1. Step 1: Write the proportion equation
   3,900,910 : 5,176,091 = 5,176,091 : x
2. Step 2: Convert to fraction form
   3,900,910/5,176,091 = 5,176,091/x
3. Step 3: Cross multiply
   3,900,910x = 5,176,091 × 5,176,091
4. Step 4: Simplify right side
   3,900,910x = 26,791,918,040,281
5. Step 5: Solve for x
   x = 26,791,918,040,281/3,900,910
6. Step 6: Final answer
   x = 6,868,120.01