Finding the Third Proportional to 79,787 and 118,140

Step by Step Solution

1. Step 1: Write the proportion equation
   79,787 : 118,140 = 118,140 : x
2. Step 2: Convert to fraction form
   79,787/118,140 = 118,140/x
3. Step 3: Cross multiply
   79,787x = 118,140 × 118,140
4. Step 4: Simplify right side
   79,787x = 13,957,059,600
5. Step 5: Solve for x
   x = 13,957,059,600/79,787
6. Step 6: Final answer
   x = 174,928.99