Finding the Third Proportional to 53,672.63 and 123,645.75

Step by Step Solution

1. Step 1: Write the proportion equation
   53,672.63 : 123,645.75 = 123,645.75 : x
2. Step 2: Convert to fraction form
   53,672.63/123,645.75 = 123,645.75/x
3. Step 3: Cross multiply
   53,672.63x = 123,645.75 × 123,645.75
4. Step 4: Simplify right side
   53,672.63x = 15,288,271,493.06
5. Step 5: Solve for x
   x = 15,288,271,493.06/53,672.63
6. Step 6: Final answer
   x = 284,843.00