Finding the Third Proportional to 78,073.50 and 167,987.25

Step by Step Solution

1. Step 1: Write the proportion equation
   78,073.50 : 167,987.25 = 167,987.25 : x
2. Step 2: Convert to fraction form
   78,073.50/167,987.25 = 167,987.25/x
3. Step 3: Cross multiply
   78,073.50x = 167,987.25 × 167,987.25
4. Step 4: Simplify right side
   78,073.50x = 28,219,716,162.56
5. Step 5: Solve for x
   x = 28,219,716,162.56/78,073.50
6. Step 6: Final answer
   x = 361,450.64