Finding the Third Proportional to 126,487.13 and 189,046.69

Step by Step Solution

1. Step 1: Write the proportion equation
   126,487.13 : 189,046.69 = 189,046.69 : x
2. Step 2: Convert to fraction form
   126,487.13/189,046.69 = 189,046.69/x
3. Step 3: Cross multiply
   126,487.13x = 189,046.69 × 189,046.69
4. Step 4: Simplify right side
   126,487.13x = 35,738,650,054.72
5. Step 5: Solve for x
   x = 35,738,650,054.72/126,487.13
6. Step 6: Final answer
   x = 282,547.73