Finding the Third Proportional to 80,903 and 120,892.50

Step by Step Solution

1. Step 1: Write the proportion equation
   80,903 : 120,892.50 = 120,892.50 : x
2. Step 2: Convert to fraction form
   80,903/120,892.50 = 120,892.50/x
3. Step 3: Cross multiply
   80,903x = 120,892.50 × 120,892.50
4. Step 4: Simplify right side
   80,903x = 14,614,996,556.25
5. Step 5: Solve for x
   x = 14,614,996,556.25/80,903
6. Step 6: Final answer
   x = 180,648.39