Finding the Third Proportional to 106,123 and 231,200

Step by Step Solution

1. Step 1: Write the proportion equation
   106,123 : 231,200 = 231,200 : x
2. Step 2: Convert to fraction form
   106,123/231,200 = 231,200/x
3. Step 3: Cross multiply
   106,123x = 231,200 × 231,200
4. Step 4: Simplify right side
   106,123x = 53,453,440,000
5. Step 5: Solve for x
   x = 53,453,440,000/106,123
6. Step 6: Final answer
   x = 503,693.26