Finding the Third Proportional to 3,739,892 and 8,189,164

Step by Step Solution

1. Step 1: Write the proportion equation
   3,739,892 : 8,189,164 = 8,189,164 : x
2. Step 2: Convert to fraction form
   3,739,892/8,189,164 = 8,189,164/x
3. Step 3: Cross multiply
   3,739,892x = 8,189,164 × 8,189,164
4. Step 4: Simplify right side
   3,739,892x = 67,062,407,018,896
5. Step 5: Solve for x
   x = 67,062,407,018,896/3,739,892
6. Step 6: Final answer
   x = 17,931,642.68