Finding the Third Proportional to 116,899.75 and 253,725.50

Step by Step Solution

1. Step 1: Write the proportion equation
   116,899.75 : 253,725.50 = 253,725.50 : x
2. Step 2: Convert to fraction form
   116,899.75/253,725.50 = 253,725.50/x
3. Step 3: Cross multiply
   116,899.75x = 253,725.50 × 253,725.50
4. Step 4: Simplify right side
   116,899.75x = 64,376,629,350.25
5. Step 5: Solve for x
   x = 64,376,629,350.25/116,899.75
6. Step 6: Final answer
   x = 550,699.46