Finding the Third Proportional to 468,400 and 1,105,345

Step by Step Solution

1. Step 1: Write the proportion equation
   468,400 : 1,105,345 = 1,105,345 : x
2. Step 2: Convert to fraction form
   468,400/1,105,345 = 1,105,345/x
3. Step 3: Cross multiply
   468,400x = 1,105,345 × 1,105,345
4. Step 4: Simplify right side
   468,400x = 1,221,787,569,025
5. Step 5: Solve for x
   x = 1,221,787,569,025/468,400
6. Step 6: Final answer
   x = 2,608,427.77