Finding the Third Proportional to 189,055 and 283,582.50

Step by Step Solution

1. Step 1: Write the proportion equation
   189,055 : 283,582.50 = 283,582.50 : x
2. Step 2: Convert to fraction form
   189,055/283,582.50 = 283,582.50/x
3. Step 3: Cross multiply
   189,055x = 283,582.50 × 283,582.50
4. Step 4: Simplify right side
   189,055x = 80,419,034,306.25
5. Step 5: Solve for x
   x = 80,419,034,306.25/189,055
6. Step 6: Final answer
   x = 425,373.75