Finding the Third Proportional to 111,077.30 and 243,874.69

Step by Step Solution

1. Step 1: Write the proportion equation
   111,077.30 : 243,874.69 = 243,874.69 : x
2. Step 2: Convert to fraction form
   111,077.30/243,874.69 = 243,874.69/x
3. Step 3: Cross multiply
   111,077.30x = 243,874.69 × 243,874.69
4. Step 4: Simplify right side
   111,077.30x = 59,474,863,203.22
5. Step 5: Solve for x
   x = 59,474,863,203.22/111,077.30
6. Step 6: Final answer
   x = 535,436.72