Finding the Third Proportional to 299,338.50 and 452,118

Step by Step Solution

1. Step 1: Write the proportion equation
   299,338.50 : 452,118 = 452,118 : x
2. Step 2: Convert to fraction form
   299,338.50/452,118 = 452,118/x
3. Step 3: Cross multiply
   299,338.50x = 452,118 × 452,118
4. Step 4: Simplify right side
   299,338.50x = 204,410,685,924
5. Step 5: Solve for x
   x = 204,410,685,924/299,338.50
6. Step 6: Final answer
   x = 682,874.69