Finding the Third Proportional to 112,384.50 and 239,072.50

Step by Step Solution

1. Step 1: Write the proportion equation
   112,384.50 : 239,072.50 = 239,072.50 : x
2. Step 2: Convert to fraction form
   112,384.50/239,072.50 = 239,072.50/x
3. Step 3: Cross multiply
   112,384.50x = 239,072.50 × 239,072.50
4. Step 4: Simplify right side
   112,384.50x = 57,155,660,256.25
5. Step 5: Solve for x
   x = 57,155,660,256.25/112,384.50
6. Step 6: Final answer
   x = 508,572.45