Finding the Third Proportional to 131,811 and 283,645.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,811 : 283,645.50 = 283,645.50 : x
2. Step 2: Convert to fraction form
   131,811/283,645.50 = 283,645.50/x
3. Step 3: Cross multiply
   131,811x = 283,645.50 × 283,645.50
4. Step 4: Simplify right side
   131,811x = 80,454,769,670.25
5. Step 5: Solve for x
   x = 80,454,769,670.25/131,811
6. Step 6: Final answer
   x = 610,379.78