Finding the Third Proportional to 113,186.50 and 153,171

Step by Step Solution

1. Step 1: Write the proportion equation
   113,186.50 : 153,171 = 153,171 : x
2. Step 2: Convert to fraction form
   113,186.50/153,171 = 153,171/x
3. Step 3: Cross multiply
   113,186.50x = 153,171 × 153,171
4. Step 4: Simplify right side
   113,186.50x = 23,461,355,241
5. Step 5: Solve for x
   x = 23,461,355,241/113,186.50
6. Step 6: Final answer
   x = 207,280.51