Finding the Third Proportional to 53,455.50 and 112,945.50

Step by Step Solution

1. Step 1: Write the proportion equation
   53,455.50 : 112,945.50 = 112,945.50 : x
2. Step 2: Convert to fraction form
   53,455.50/112,945.50 = 112,945.50/x
3. Step 3: Cross multiply
   53,455.50x = 112,945.50 × 112,945.50
4. Step 4: Simplify right side
   53,455.50x = 12,756,685,970.25
5. Step 5: Solve for x
   x = 12,756,685,970.25/53,455.50
6. Step 6: Final answer
   x = 238,641.22