Finding the Third Proportional to 117,307.69 and 256,114.69

Step by Step Solution

1. Step 1: Write the proportion equation
   117,307.69 : 256,114.69 = 256,114.69 : x
2. Step 2: Convert to fraction form
   117,307.69/256,114.69 = 256,114.69/x
3. Step 3: Cross multiply
   117,307.69x = 256,114.69 × 256,114.69
4. Step 4: Simplify right side
   117,307.69x = 65,594,733,153.22
5. Step 5: Solve for x
   x = 65,594,733,153.22/117,307.69
6. Step 6: Final answer
   x = 559,168.24