Finding the Third Proportional to 122,243.25 and 252,100.50

Step by Step Solution

1. Step 1: Write the proportion equation
   122,243.25 : 252,100.50 = 252,100.50 : x
2. Step 2: Convert to fraction form
   122,243.25/252,100.50 = 252,100.50/x
3. Step 3: Cross multiply
   122,243.25x = 252,100.50 × 252,100.50
4. Step 4: Simplify right side
   122,243.25x = 63,554,662,100.25
5. Step 5: Solve for x
   x = 63,554,662,100.25/122,243.25
6. Step 6: Final answer
   x = 519,903.24