Finding the Third Proportional to 33,439 and 78,932.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,439 : 78,932.50 = 78,932.50 : x
2. Step 2: Convert to fraction form
   33,439/78,932.50 = 78,932.50/x
3. Step 3: Cross multiply
   33,439x = 78,932.50 × 78,932.50
4. Step 4: Simplify right side
   33,439x = 6,230,339,556.25
5. Step 5: Solve for x
   x = 6,230,339,556.25/33,439
6. Step 6: Final answer
   x = 186,319.55