Finding the Third Proportional to 57,351 and 123,490.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,351 : 123,490.50 = 123,490.50 : x
2. Step 2: Convert to fraction form
   57,351/123,490.50 = 123,490.50/x
3. Step 3: Cross multiply
   57,351x = 123,490.50 × 123,490.50
4. Step 4: Simplify right side
   57,351x = 15,249,903,590.25
5. Step 5: Solve for x
   x = 15,249,903,590.25/57,351
6. Step 6: Final answer
   x = 265,904.75