Finding the Third Proportional to 248,239.50 and 535,848

Step by Step Solution

1. Step 1: Write the proportion equation
   248,239.50 : 535,848 = 535,848 : x
2. Step 2: Convert to fraction form
   248,239.50/535,848 = 535,848/x
3. Step 3: Cross multiply
   248,239.50x = 535,848 × 535,848
4. Step 4: Simplify right side
   248,239.50x = 287,133,079,104
5. Step 5: Solve for x
   x = 287,133,079,104/248,239.50
6. Step 6: Final answer
   x = 1,156,677.64