Finding the Third Proportional to 57,557.25 and 123,109.88

Step by Step Solution

1. Step 1: Write the proportion equation
   57,557.25 : 123,109.88 = 123,109.88 : x
2. Step 2: Convert to fraction form
   57,557.25/123,109.88 = 123,109.88/x
3. Step 3: Cross multiply
   57,557.25x = 123,109.88 × 123,109.88
4. Step 4: Simplify right side
   57,557.25x = 15,156,041,322.52
5. Step 5: Solve for x
   x = 15,156,041,322.52/57,557.25
6. Step 6: Final answer
   x = 263,321.15