Finding the Third Proportional to 57,263.63 and 123,307.31

Step by Step Solution

1. Step 1: Write the proportion equation
   57,263.63 : 123,307.31 = 123,307.31 : x
2. Step 2: Convert to fraction form
   57,263.63/123,307.31 = 123,307.31/x
3. Step 3: Cross multiply
   57,263.63x = 123,307.31 × 123,307.31
4. Step 4: Simplify right side
   57,263.63x = 15,204,693,315.97
5. Step 5: Solve for x
   x = 15,204,693,315.97/57,263.63
6. Step 6: Final answer
   x = 265,520.97