Finding the Third Proportional to 202,212 and 301,371.75

Step by Step Solution

1. Step 1: Write the proportion equation
   202,212 : 301,371.75 = 301,371.75 : x
2. Step 2: Convert to fraction form
   202,212/301,371.75 = 301,371.75/x
3. Step 3: Cross multiply
   202,212x = 301,371.75 × 301,371.75
4. Step 4: Simplify right side
   202,212x = 90,824,931,698.06
5. Step 5: Solve for x
   x = 90,824,931,698.06/202,212
6. Step 6: Final answer
   x = 449,156.98