Finding the Third Proportional to 207,368 and 458,512

Step by Step Solution

1. Step 1: Write the proportion equation
   207,368 : 458,512 = 458,512 : x
2. Step 2: Convert to fraction form
   207,368/458,512 = 458,512/x
3. Step 3: Cross multiply
   207,368x = 458,512 × 458,512
4. Step 4: Simplify right side
   207,368x = 210,233,254,144
5. Step 5: Solve for x
   x = 210,233,254,144/207,368
6. Step 6: Final answer
   x = 1,013,817.24