Finding the Third Proportional to 83,555 and 180,425.50

Step by Step Solution

1. Step 1: Write the proportion equation
   83,555 : 180,425.50 = 180,425.50 : x
2. Step 2: Convert to fraction form
   83,555/180,425.50 = 180,425.50/x
3. Step 3: Cross multiply
   83,555x = 180,425.50 × 180,425.50
4. Step 4: Simplify right side
   83,555x = 32,553,361,050.25
5. Step 5: Solve for x
   x = 32,553,361,050.25/83,555
6. Step 6: Final answer
   x = 389,603.99