Finding the Third Proportional to 784,514 and 1,212,274

Step by Step Solution

1. Step 1: Write the proportion equation
   784,514 : 1,212,274 = 1,212,274 : x
2. Step 2: Convert to fraction form
   784,514/1,212,274 = 1,212,274/x
3. Step 3: Cross multiply
   784,514x = 1,212,274 × 1,212,274
4. Step 4: Simplify right side
   784,514x = 1,469,608,251,076
5. Step 5: Solve for x
   x = 1,469,608,251,076/784,514
6. Step 6: Final answer
   x = 1,873,272.18