Finding the Third Proportional to 111,177 and 243,113

Step by Step Solution

1. Step 1: Write the proportion equation
   111,177 : 243,113 = 243,113 : x
2. Step 2: Convert to fraction form
   111,177/243,113 = 243,113/x
3. Step 3: Cross multiply
   111,177x = 243,113 × 243,113
4. Step 4: Simplify right side
   111,177x = 59,103,930,769
5. Step 5: Solve for x
   x = 59,103,930,769/111,177
6. Step 6: Final answer
   x = 531,620.13