Finding the Third Proportional to 118,585,096 and 256,964,216

Step by Step Solution

1. Step 1: Write the proportion equation
   118,585,096 : 256,964,216 = 256,964,216 : x
2. Step 2: Convert to fraction form
   118,585,096/256,964,216 = 256,964,216/x
3. Step 3: Cross multiply
   118,585,096x = 256,964,216 × 256,964,216
4. Step 4: Simplify right side
   118,585,096x = 66,030,608,304,494,656
5. Step 5: Solve for x
   x = 66,030,608,304,494,656/118,585,096
6. Step 6: Final answer
   x = 556,820,465.06