Finding the Third Proportional to 804,572 and 1,215,059

Step by Step Solution

1. Step 1: Write the proportion equation
   804,572 : 1,215,059 = 1,215,059 : x
2. Step 2: Convert to fraction form
   804,572/1,215,059 = 1,215,059/x
3. Step 3: Cross multiply
   804,572x = 1,215,059 × 1,215,059
4. Step 4: Simplify right side
   804,572x = 1,476,368,373,481
5. Step 5: Solve for x
   x = 1,476,368,373,481/804,572
6. Step 6: Final answer
   x = 1,834,973.59