Finding the Third Proportional to 132,411 and 170,011.50

Step by Step Solution

1. Step 1: Write the proportion equation
   132,411 : 170,011.50 = 170,011.50 : x
2. Step 2: Convert to fraction form
   132,411/170,011.50 = 170,011.50/x
3. Step 3: Cross multiply
   132,411x = 170,011.50 × 170,011.50
4. Step 4: Simplify right side
   132,411x = 28,903,910,132.25
5. Step 5: Solve for x
   x = 28,903,910,132.25/132,411
6. Step 6: Final answer
   x = 218,289.34