Finding the Third Proportional to 202,812 and 452,208

Step by Step Solution

1. Step 1: Write the proportion equation
   202,812 : 452,208 = 452,208 : x
2. Step 2: Convert to fraction form
   202,812/452,208 = 452,208/x
3. Step 3: Cross multiply
   202,812x = 452,208 × 452,208
4. Step 4: Simplify right side
   202,812x = 204,492,075,264
5. Step 5: Solve for x
   x = 204,492,075,264/202,812
6. Step 6: Final answer
   x = 1,008,283.90