Finding the Third Proportional to 210,132 and 283,108.50

Step by Step Solution

1. Step 1: Write the proportion equation
   210,132 : 283,108.50 = 283,108.50 : x
2. Step 2: Convert to fraction form
   210,132/283,108.50 = 283,108.50/x
3. Step 3: Cross multiply
   210,132x = 283,108.50 × 283,108.50
4. Step 4: Simplify right side
   210,132x = 80,150,422,772.25
5. Step 5: Solve for x
   x = 80,150,422,772.25/210,132
6. Step 6: Final answer
   x = 381,428.92