Finding the Third Proportional to 88,745.50 and 193,039.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,745.50 : 193,039.50 = 193,039.50 : x
2. Step 2: Convert to fraction form
   88,745.50/193,039.50 = 193,039.50/x
3. Step 3: Cross multiply
   88,745.50x = 193,039.50 × 193,039.50
4. Step 4: Simplify right side
   88,745.50x = 37,264,248,560.25
5. Step 5: Solve for x
   x = 37,264,248,560.25/88,745.50
6. Step 6: Final answer
   x = 419,900.15