Finding the Third Proportional to 129,462.75 and 174,913.88

Step by Step Solution

1. Step 1: Write the proportion equation
   129,462.75 : 174,913.88 = 174,913.88 : x
2. Step 2: Convert to fraction form
   129,462.75/174,913.88 = 174,913.88/x
3. Step 3: Cross multiply
   129,462.75x = 174,913.88 × 174,913.88
4. Step 4: Simplify right side
   129,462.75x = 30,594,863,667.52
5. Step 5: Solve for x
   x = 30,594,863,667.52/129,462.75
6. Step 6: Final answer
   x = 236,321.75