Finding the Third Proportional to 299,380.50 and 452,178

Step by Step Solution

1. Step 1: Write the proportion equation
   299,380.50 : 452,178 = 452,178 : x
2. Step 2: Convert to fraction form
   299,380.50/452,178 = 452,178/x
3. Step 3: Cross multiply
   299,380.50x = 452,178 × 452,178
4. Step 4: Simplify right side
   299,380.50x = 204,464,943,684
5. Step 5: Solve for x
   x = 204,464,943,684/299,380.50
6. Step 6: Final answer
   x = 682,960.12