Finding the Third Proportional to 265,236 and 542,728.50

Step by Step Solution

1. Step 1: Write the proportion equation
   265,236 : 542,728.50 = 542,728.50 : x
2. Step 2: Convert to fraction form
   265,236/542,728.50 = 542,728.50/x
3. Step 3: Cross multiply
   265,236x = 542,728.50 × 542,728.50
4. Step 4: Simplify right side
   265,236x = 294,554,224,712.25
5. Step 5: Solve for x
   x = 294,554,224,712.25/265,236
6. Step 6: Final answer
   x = 1,110,536.37