Finding the Third Proportional to 368,796 and 556,585.50

Step by Step Solution

1. Step 1: Write the proportion equation
   368,796 : 556,585.50 = 556,585.50 : x
2. Step 2: Convert to fraction form
   368,796/556,585.50 = 556,585.50/x
3. Step 3: Cross multiply
   368,796x = 556,585.50 × 556,585.50
4. Step 4: Simplify right side
   368,796x = 309,787,418,810.25
5. Step 5: Solve for x
   x = 309,787,418,810.25/368,796
6. Step 6: Final answer
   x = 839,996.69