Finding the Third Proportional to 134,037 and 288,667.50

Step by Step Solution

1. Step 1: Write the proportion equation
   134,037 : 288,667.50 = 288,667.50 : x
2. Step 2: Convert to fraction form
   134,037/288,667.50 = 288,667.50/x
3. Step 3: Cross multiply
   134,037x = 288,667.50 × 288,667.50
4. Step 4: Simplify right side
   134,037x = 83,328,925,556.25
5. Step 5: Solve for x
   x = 83,328,925,556.25/134,037
6. Step 6: Final answer
   x = 621,685.99