Finding the Third Proportional to 238,150.50 and 509,053.50

Step by Step Solution

1. Step 1: Write the proportion equation
   238,150.50 : 509,053.50 = 509,053.50 : x
2. Step 2: Convert to fraction form
   238,150.50/509,053.50 = 509,053.50/x
3. Step 3: Cross multiply
   238,150.50x = 509,053.50 × 509,053.50
4. Step 4: Simplify right side
   238,150.50x = 259,135,465,862.25
5. Step 5: Solve for x
   x = 259,135,465,862.25/238,150.50
6. Step 6: Final answer
   x = 1,088,116.40