Finding the Third Proportional to 78,799.50 and 118,260

Step by Step Solution

1. Step 1: Write the proportion equation
   78,799.50 : 118,260 = 118,260 : x
2. Step 2: Convert to fraction form
   78,799.50/118,260 = 118,260/x
3. Step 3: Cross multiply
   78,799.50x = 118,260 × 118,260
4. Step 4: Simplify right side
   78,799.50x = 13,985,427,600
5. Step 5: Solve for x
   x = 13,985,427,600/78,799.50
6. Step 6: Final answer
   x = 177,481.17