Finding the Third Proportional to 77,019 and 112,860

Step by Step Solution

1. Step 1: Write the proportion equation
   77,019 : 112,860 = 112,860 : x
2. Step 2: Convert to fraction form
   77,019/112,860 = 112,860/x
3. Step 3: Cross multiply
   77,019x = 112,860 × 112,860
4. Step 4: Simplify right side
   77,019x = 12,737,379,600
5. Step 5: Solve for x
   x = 12,737,379,600/77,019
6. Step 6: Final answer
   x = 165,379.71