Finding the Third Proportional to 371,522 and 814,238

Step by Step Solution

1. Step 1: Write the proportion equation
   371,522 : 814,238 = 814,238 : x
2. Step 2: Convert to fraction form
   371,522/814,238 = 814,238/x
3. Step 3: Cross multiply
   371,522x = 814,238 × 814,238
4. Step 4: Simplify right side
   371,522x = 662,983,520,644
5. Step 5: Solve for x
   x = 662,983,520,644/371,522
6. Step 6: Final answer
   x = 1,784,506.76