Finding the Third Proportional to 112,384.50 and 239,072

Step by Step Solution

1. Step 1: Write the proportion equation
   112,384.50 : 239,072 = 239,072 : x
2. Step 2: Convert to fraction form
   112,384.50/239,072 = 239,072/x
3. Step 3: Cross multiply
   112,384.50x = 239,072 × 239,072
4. Step 4: Simplify right side
   112,384.50x = 57,155,421,184
5. Step 5: Solve for x
   x = 57,155,421,184/112,384.50
6. Step 6: Final answer
   x = 508,570.32