Finding the Third Proportional to 127,308.94 and 279,099.56

Step by Step Solution

1. Step 1: Write the proportion equation
   127,308.94 : 279,099.56 = 279,099.56 : x
2. Step 2: Convert to fraction form
   127,308.94/279,099.56 = 279,099.56/x
3. Step 3: Cross multiply
   127,308.94x = 279,099.56 × 279,099.56
4. Step 4: Simplify right side
   127,308.94x = 77,896,565,787.69
5. Step 5: Solve for x
   x = 77,896,565,787.69/127,308.94
6. Step 6: Final answer
   x = 611,870.36