Finding the Third Proportional to 134,398 and 198,532.50

Step by Step Solution

1. Step 1: Write the proportion equation
   134,398 : 198,532.50 = 198,532.50 : x
2. Step 2: Convert to fraction form
   134,398/198,532.50 = 198,532.50/x
3. Step 3: Cross multiply
   134,398x = 198,532.50 × 198,532.50
4. Step 4: Simplify right side
   134,398x = 39,415,153,556.25
5. Step 5: Solve for x
   x = 39,415,153,556.25/134,398
6. Step 6: Final answer
   x = 293,271.88