Finding the Third Proportional to 128,028 and 193,810.50

Step by Step Solution

1. Step 1: Write the proportion equation
   128,028 : 193,810.50 = 193,810.50 : x
2. Step 2: Convert to fraction form
   128,028/193,810.50 = 193,810.50/x
3. Step 3: Cross multiply
   128,028x = 193,810.50 × 193,810.50
4. Step 4: Simplify right side
   128,028x = 37,562,509,910.25
5. Step 5: Solve for x
   x = 37,562,509,910.25/128,028
6. Step 6: Final answer
   x = 293,392.93