Finding the Third Proportional to 133,852.50 and 196,308

Step by Step Solution

1. Step 1: Write the proportion equation
   133,852.50 : 196,308 = 196,308 : x
2. Step 2: Convert to fraction form
   133,852.50/196,308 = 196,308/x
3. Step 3: Cross multiply
   133,852.50x = 196,308 × 196,308
4. Step 4: Simplify right side
   133,852.50x = 38,536,830,864
5. Step 5: Solve for x
   x = 38,536,830,864/133,852.50
6. Step 6: Final answer
   x = 287,905.20