Finding the Third Proportional to 129,060 and 189,357.75

Step by Step Solution

1. Step 1: Write the proportion equation
   129,060 : 189,357.75 = 189,357.75 : x
2. Step 2: Convert to fraction form
   129,060/189,357.75 = 189,357.75/x
3. Step 3: Cross multiply
   129,060x = 189,357.75 × 189,357.75
4. Step 4: Simplify right side
   129,060x = 35,856,357,485.06
5. Step 5: Solve for x
   x = 35,856,357,485.06/129,060
6. Step 6: Final answer
   x = 277,827.04