Finding the Third Proportional to 75,784.78 and 126,300.94

Step by Step Solution

1. Step 1: Write the proportion equation
   75,784.78 : 126,300.94 = 126,300.94 : x
2. Step 2: Convert to fraction form
   75,784.78/126,300.94 = 126,300.94/x
3. Step 3: Cross multiply
   75,784.78x = 126,300.94 × 126,300.94
4. Step 4: Simplify right side
   75,784.78x = 15,951,926,813.38
5. Step 5: Solve for x
   x = 15,951,926,813.38/75,784.78
6. Step 6: Final answer
   x = 210,489.84