Finding the Third Proportional to 110,863.69 and 243,172.13

Step by Step Solution

1. Step 1: Write the proportion equation
   110,863.69 : 243,172.13 = 243,172.13 : x
2. Step 2: Convert to fraction form
   110,863.69/243,172.13 = 243,172.13/x
3. Step 3: Cross multiply
   110,863.69x = 243,172.13 × 243,172.13
4. Step 4: Simplify right side
   110,863.69x = 59,132,682,377.02
5. Step 5: Solve for x
   x = 59,132,682,377.02/110,863.69
6. Step 6: Final answer
   x = 533,381.88