Finding the Third Proportional to 113,272.50 and 243,903

Step by Step Solution

1. Step 1: Write the proportion equation
   113,272.50 : 243,903 = 243,903 : x
2. Step 2: Convert to fraction form
   113,272.50/243,903 = 243,903/x
3. Step 3: Cross multiply
   113,272.50x = 243,903 × 243,903
4. Step 4: Simplify right side
   113,272.50x = 59,488,673,409
5. Step 5: Solve for x
   x = 59,488,673,409/113,272.50
6. Step 6: Final answer
   x = 525,181.96