Finding the Third Proportional to 372,972 and 814,262

Step by Step Solution

1. Step 1: Write the proportion equation
   372,972 : 814,262 = 814,262 : x
2. Step 2: Convert to fraction form
   372,972/814,262 = 814,262/x
3. Step 3: Cross multiply
   372,972x = 814,262 × 814,262
4. Step 4: Simplify right side
   372,972x = 663,022,604,644
5. Step 5: Solve for x
   x = 663,022,604,644/372,972
6. Step 6: Final answer
   x = 1,777,673.94