Finding the Third Proportional to 116,426.25 and 254,646

Step by Step Solution

1. Step 1: Write the proportion equation
   116,426.25 : 254,646 = 254,646 : x
2. Step 2: Convert to fraction form
   116,426.25/254,646 = 254,646/x
3. Step 3: Cross multiply
   116,426.25x = 254,646 × 254,646
4. Step 4: Simplify right side
   116,426.25x = 64,844,585,316
5. Step 5: Solve for x
   x = 64,844,585,316/116,426.25
6. Step 6: Final answer
   x = 556,958.46