Finding the Third Proportional to 239,302.50 and 522,072

Step by Step Solution

1. Step 1: Write the proportion equation
   239,302.50 : 522,072 = 522,072 : x
2. Step 2: Convert to fraction form
   239,302.50/522,072 = 522,072/x
3. Step 3: Cross multiply
   239,302.50x = 522,072 × 522,072
4. Step 4: Simplify right side
   239,302.50x = 272,559,173,184
5. Step 5: Solve for x
   x = 272,559,173,184/239,302.50
6. Step 6: Final answer
   x = 1,138,973.36