Finding the Third Proportional to 105,285 and 230,252.50

Step by Step Solution

1. Step 1: Write the proportion equation
   105,285 : 230,252.50 = 230,252.50 : x
2. Step 2: Convert to fraction form
   105,285/230,252.50 = 230,252.50/x
3. Step 3: Cross multiply
   105,285x = 230,252.50 × 230,252.50
4. Step 4: Simplify right side
   105,285x = 53,016,213,756.25
5. Step 5: Solve for x
   x = 53,016,213,756.25/105,285
6. Step 6: Final answer
   x = 503,549.54