Finding the Third Proportional to 57,300.75 and 123,376.50

Step by Step Solution

1. Step 1: Write the proportion equation
   57,300.75 : 123,376.50 = 123,376.50 : x
2. Step 2: Convert to fraction form
   57,300.75/123,376.50 = 123,376.50/x
3. Step 3: Cross multiply
   57,300.75x = 123,376.50 × 123,376.50
4. Step 4: Simplify right side
   57,300.75x = 15,221,760,752.25
5. Step 5: Solve for x
   x = 15,221,760,752.25/57,300.75
6. Step 6: Final answer
   x = 265,646.80