Finding the Third Proportional to 113,886 and 243,535

Step by Step Solution

1. Step 1: Write the proportion equation
   113,886 : 243,535 = 243,535 : x
2. Step 2: Convert to fraction form
   113,886/243,535 = 243,535/x
3. Step 3: Cross multiply
   113,886x = 243,535 × 243,535
4. Step 4: Simplify right side
   113,886x = 59,309,296,225
5. Step 5: Solve for x
   x = 59,309,296,225/113,886
6. Step 6: Final answer
   x = 520,777.76