Finding the Third Proportional to 113,453 and 238,516

Step by Step Solution

1. Step 1: Write the proportion equation
   113,453 : 238,516 = 238,516 : x
2. Step 2: Convert to fraction form
   113,453/238,516 = 238,516/x
3. Step 3: Cross multiply
   113,453x = 238,516 × 238,516
4. Step 4: Simplify right side
   113,453x = 56,889,882,256
5. Step 5: Solve for x
   x = 56,889,882,256/113,453
6. Step 6: Final answer
   x = 501,440.09