Finding the Third Proportional to 77,970 and 116,436

Step by Step Solution

1. Step 1: Write the proportion equation
   77,970 : 116,436 = 116,436 : x
2. Step 2: Convert to fraction form
   77,970/116,436 = 116,436/x
3. Step 3: Cross multiply
   77,970x = 116,436 × 116,436
4. Step 4: Simplify right side
   77,970x = 13,557,342,096
5. Step 5: Solve for x
   x = 13,557,342,096/77,970
6. Step 6: Final answer
   x = 173,878.95