Finding the Third Proportional to 119,911.50 and 243,954

Step by Step Solution

1. Step 1: Write the proportion equation
   119,911.50 : 243,954 = 243,954 : x
2. Step 2: Convert to fraction form
   119,911.50/243,954 = 243,954/x
3. Step 3: Cross multiply
   119,911.50x = 243,954 × 243,954
4. Step 4: Simplify right side
   119,911.50x = 59,513,554,116
5. Step 5: Solve for x
   x = 59,513,554,116/119,911.50
6. Step 6: Final answer
   x = 496,312.31