Finding the Third Proportional to 53,899.88 and 111,256.88

Step by Step Solution

1. Step 1: Write the proportion equation
   53,899.88 : 111,256.88 = 111,256.88 : x
2. Step 2: Convert to fraction form
   53,899.88/111,256.88 = 111,256.88/x
3. Step 3: Cross multiply
   53,899.88x = 111,256.88 × 111,256.88
4. Step 4: Simplify right side
   53,899.88x = 12,378,092,234.77
5. Step 5: Solve for x
   x = 12,378,092,234.77/53,899.88
6. Step 6: Final answer
   x = 229,649.74