Finding the Third Proportional to 78,795.50 and 118,274.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,795.50 : 118,274.50 = 118,274.50 : x
2. Step 2: Convert to fraction form
   78,795.50/118,274.50 = 118,274.50/x
3. Step 3: Cross multiply
   78,795.50x = 118,274.50 × 118,274.50
4. Step 4: Simplify right side
   78,795.50x = 13,988,857,350.25
5. Step 5: Solve for x
   x = 13,988,857,350.25/78,795.50
6. Step 6: Final answer
   x = 177,533.71