Finding the Third Proportional to 78,988 and 188,848

Step by Step Solution

1. Step 1: Write the proportion equation
   78,988 : 188,848 = 188,848 : x
2. Step 2: Convert to fraction form
   78,988/188,848 = 188,848/x
3. Step 3: Cross multiply
   78,988x = 188,848 × 188,848
4. Step 4: Simplify right side
   78,988x = 35,663,567,104
5. Step 5: Solve for x
   x = 35,663,567,104/78,988
6. Step 6: Final answer
   x = 451,506.14