Finding the Third Proportional to 124,051.50 and 196,688.25

Step by Step Solution

1. Step 1: Write the proportion equation
   124,051.50 : 196,688.25 = 196,688.25 : x
2. Step 2: Convert to fraction form
   124,051.50/196,688.25 = 196,688.25/x
3. Step 3: Cross multiply
   124,051.50x = 196,688.25 × 196,688.25
4. Step 4: Simplify right side
   124,051.50x = 38,686,267,688.06
5. Step 5: Solve for x
   x = 38,686,267,688.06/124,051.50
6. Step 6: Final answer
   x = 311,856.51