Finding the Third Proportional to 78,401.25 and 118,334.25

Step by Step Solution

1. Step 1: Write the proportion equation
   78,401.25 : 118,334.25 = 118,334.25 : x
2. Step 2: Convert to fraction form
   78,401.25/118,334.25 = 118,334.25/x
3. Step 3: Cross multiply
   78,401.25x = 118,334.25 × 118,334.25
4. Step 4: Simplify right side
   78,401.25x = 14,002,994,723.06
5. Step 5: Solve for x
   x = 14,002,994,723.06/78,401.25
6. Step 6: Final answer
   x = 178,606.78