Finding the Third Proportional to 76,669.50 and 167,640

Step by Step Solution

1. Step 1: Write the proportion equation
   76,669.50 : 167,640 = 167,640 : x
2. Step 2: Convert to fraction form
   76,669.50/167,640 = 167,640/x
3. Step 3: Cross multiply
   76,669.50x = 167,640 × 167,640
4. Step 4: Simplify right side
   76,669.50x = 28,103,169,600
5. Step 5: Solve for x
   x = 28,103,169,600/76,669.50
6. Step 6: Final answer
   x = 366,549.54