Finding the Third Proportional to 116,899.50 and 253,725

Step by Step Solution

1. Step 1: Write the proportion equation
   116,899.50 : 253,725 = 253,725 : x
2. Step 2: Convert to fraction form
   116,899.50/253,725 = 253,725/x
3. Step 3: Cross multiply
   116,899.50x = 253,725 × 253,725
4. Step 4: Simplify right side
   116,899.50x = 64,376,375,625
5. Step 5: Solve for x
   x = 64,376,375,625/116,899.50
6. Step 6: Final answer
   x = 550,698.47