Finding the Third Proportional to 145,784.50 and 238,053.50

Step by Step Solution

1. Step 1: Write the proportion equation
   145,784.50 : 238,053.50 = 238,053.50 : x
2. Step 2: Convert to fraction form
   145,784.50/238,053.50 = 238,053.50/x
3. Step 3: Cross multiply
   145,784.50x = 238,053.50 × 238,053.50
4. Step 4: Simplify right side
   145,784.50x = 56,669,468,862.25
5. Step 5: Solve for x
   x = 56,669,468,862.25/145,784.50
6. Step 6: Final answer
   x = 388,720.81