Finding the Third Proportional to 168,354 and 363,414.75

Step by Step Solution

1. Step 1: Write the proportion equation
   168,354 : 363,414.75 = 363,414.75 : x
2. Step 2: Convert to fraction form
   168,354/363,414.75 = 363,414.75/x
3. Step 3: Cross multiply
   168,354x = 363,414.75 × 363,414.75
4. Step 4: Simplify right side
   168,354x = 132,070,280,517.56
5. Step 5: Solve for x
   x = 132,070,280,517.56/168,354
6. Step 6: Final answer
   x = 784,479.61