Finding the Third Proportional to 113,683.78 and 189,461.67

Step by Step Solution

1. Step 1: Write the proportion equation
   113,683.78 : 189,461.67 = 189,461.67 : x
2. Step 2: Convert to fraction form
   113,683.78/189,461.67 = 189,461.67/x
3. Step 3: Cross multiply
   113,683.78x = 189,461.67 × 189,461.67
4. Step 4: Simplify right side
   113,683.78x = 35,895,725,109.67
5. Step 5: Solve for x
   x = 35,895,725,109.67/113,683.78
6. Step 6: Final answer
   x = 315,750.63