Finding the Third Proportional to 210,358.50 and 458,792

Step by Step Solution

1. Step 1: Write the proportion equation
   210,358.50 : 458,792 = 458,792 : x
2. Step 2: Convert to fraction form
   210,358.50/458,792 = 458,792/x
3. Step 3: Cross multiply
   210,358.50x = 458,792 × 458,792
4. Step 4: Simplify right side
   210,358.50x = 210,490,099,264
5. Step 5: Solve for x
   x = 210,490,099,264/210,358.50
6. Step 6: Final answer
   x = 1,000,625.60