Finding the Third Proportional to 167,136 and 252,121.50

Step by Step Solution

1. Step 1: Write the proportion equation
   167,136 : 252,121.50 = 252,121.50 : x
2. Step 2: Convert to fraction form
   167,136/252,121.50 = 252,121.50/x
3. Step 3: Cross multiply
   167,136x = 252,121.50 × 252,121.50
4. Step 4: Simplify right side
   167,136x = 63,565,250,762.25
5. Step 5: Solve for x
   x = 63,565,250,762.25/167,136
6. Step 6: Final answer
   x = 380,320.52