Finding the Third Proportional to 113,575.50 and 238,905

Step by Step Solution

1. Step 1: Write the proportion equation
   113,575.50 : 238,905 = 238,905 : x
2. Step 2: Convert to fraction form
   113,575.50/238,905 = 238,905/x
3. Step 3: Cross multiply
   113,575.50x = 238,905 × 238,905
4. Step 4: Simplify right side
   113,575.50x = 57,075,599,025
5. Step 5: Solve for x
   x = 57,075,599,025/113,575.50
6. Step 6: Final answer
   x = 502,534.43