Finding the Third Proportional to 134,608.50 and 196,070.63

Step by Step Solution

1. Step 1: Write the proportion equation
   134,608.50 : 196,070.63 = 196,070.63 : x
2. Step 2: Convert to fraction form
   134,608.50/196,070.63 = 196,070.63/x
3. Step 3: Cross multiply
   134,608.50x = 196,070.63 × 196,070.63
4. Step 4: Simplify right side
   134,608.50x = 38,443,689,987.89
5. Step 5: Solve for x
   x = 38,443,689,987.89/134,608.50
6. Step 6: Final answer
   x = 285,596.30