Finding the Third Proportional to 86,740 and 180,405.50

Step by Step Solution

1. Step 1: Write the proportion equation
   86,740 : 180,405.50 = 180,405.50 : x
2. Step 2: Convert to fraction form
   86,740/180,405.50 = 180,405.50/x
3. Step 3: Cross multiply
   86,740x = 180,405.50 × 180,405.50
4. Step 4: Simplify right side
   86,740x = 32,546,144,430.25
5. Step 5: Solve for x
   x = 32,546,144,430.25/86,740
6. Step 6: Final answer
   x = 375,214.95