Finding the Third Proportional to 123,402.75 and 262,375.88

Step by Step Solution

1. Step 1: Write the proportion equation
   123,402.75 : 262,375.88 = 262,375.88 : x
2. Step 2: Convert to fraction form
   123,402.75/262,375.88 = 262,375.88/x
3. Step 3: Cross multiply
   123,402.75x = 262,375.88 × 262,375.88
4. Step 4: Simplify right side
   123,402.75x = 68,841,099,782.02
5. Step 5: Solve for x
   x = 68,841,099,782.02/123,402.75
6. Step 6: Final answer
   x = 557,857.10