Finding the Third Proportional to 129,237 and 193,080.75

Step by Step Solution

1. Step 1: Write the proportion equation
   129,237 : 193,080.75 = 193,080.75 : x
2. Step 2: Convert to fraction form
   129,237/193,080.75 = 193,080.75/x
3. Step 3: Cross multiply
   129,237x = 193,080.75 × 193,080.75
4. Step 4: Simplify right side
   129,237x = 37,280,176,020.56
5. Step 5: Solve for x
   x = 37,280,176,020.56/129,237
6. Step 6: Final answer
   x = 288,463.64