Finding the Third Proportional to 145,654 and 196,789

Step by Step Solution

1. Step 1: Write the proportion equation
   145,654 : 196,789 = 196,789 : x
2. Step 2: Convert to fraction form
   145,654/196,789 = 196,789/x
3. Step 3: Cross multiply
   145,654x = 196,789 × 196,789
4. Step 4: Simplify right side
   145,654x = 38,725,910,521
5. Step 5: Solve for x
   x = 38,725,910,521/145,654
6. Step 6: Final answer
   x = 265,876.05