Finding the Third Proportional to 3,900,892 and 5,176,068

Step by Step Solution

1. Step 1: Write the proportion equation
   3,900,892 : 5,176,068 = 5,176,068 : x
2. Step 2: Convert to fraction form
   3,900,892/5,176,068 = 5,176,068/x
3. Step 3: Cross multiply
   3,900,892x = 5,176,068 × 5,176,068
4. Step 4: Simplify right side
   3,900,892x = 26,791,679,940,624
5. Step 5: Solve for x
   x = 26,791,679,940,624/3,900,892
6. Step 6: Final answer
   x = 6,868,090.67