Finding the Third Proportional to 78,814.50 and 118,302

Step by Step Solution

1. Step 1: Write the proportion equation
   78,814.50 : 118,302 = 118,302 : x
2. Step 2: Convert to fraction form
   78,814.50/118,302 = 118,302/x
3. Step 3: Cross multiply
   78,814.50x = 118,302 × 118,302
4. Step 4: Simplify right side
   78,814.50x = 13,995,363,204
5. Step 5: Solve for x
   x = 13,995,363,204/78,814.50
6. Step 6: Final answer
   x = 177,573.46