Finding the Third Proportional to 58,753.50 and 129,171

Step by Step Solution

1. Step 1: Write the proportion equation
   58,753.50 : 129,171 = 129,171 : x
2. Step 2: Convert to fraction form
   58,753.50/129,171 = 129,171/x
3. Step 3: Cross multiply
   58,753.50x = 129,171 × 129,171
4. Step 4: Simplify right side
   58,753.50x = 16,685,147,241
5. Step 5: Solve for x
   x = 16,685,147,241/58,753.50
6. Step 6: Final answer
   x = 283,985.59