Finding the Third Proportional to 215,285.25 and 463,478

Step by Step Solution

1. Step 1: Write the proportion equation
   215,285.25 : 463,478 = 463,478 : x
2. Step 2: Convert to fraction form
   215,285.25/463,478 = 463,478/x
3. Step 3: Cross multiply
   215,285.25x = 463,478 × 463,478
4. Step 4: Simplify right side
   215,285.25x = 214,811,856,484
5. Step 5: Solve for x
   x = 214,811,856,484/215,285.25
6. Step 6: Final answer
   x = 997,801.09