Finding the Third Proportional to 77,992.50 and 118,630

Step by Step Solution

1. Step 1: Write the proportion equation
   77,992.50 : 118,630 = 118,630 : x
2. Step 2: Convert to fraction form
   77,992.50/118,630 = 118,630/x
3. Step 3: Cross multiply
   77,992.50x = 118,630 × 118,630
4. Step 4: Simplify right side
   77,992.50x = 14,073,076,900
5. Step 5: Solve for x
   x = 14,073,076,900/77,992.50
6. Step 6: Final answer
   x = 180,441.41