Finding the Third Proportional to 108,966 and 230,915.63

Step by Step Solution

1. Step 1: Write the proportion equation
   108,966 : 230,915.63 = 230,915.63 : x
2. Step 2: Convert to fraction form
   108,966/230,915.63 = 230,915.63/x
3. Step 3: Cross multiply
   108,966x = 230,915.63 × 230,915.63
4. Step 4: Simplify right side
   108,966x = 53,322,025,869.14
5. Step 5: Solve for x
   x = 53,322,025,869.14/108,966
6. Step 6: Final answer
   x = 489,345.54