Finding the Third Proportional to 803,454 and 1,142,229

Step by Step Solution

1. Step 1: Write the proportion equation
   803,454 : 1,142,229 = 1,142,229 : x
2. Step 2: Convert to fraction form
   803,454/1,142,229 = 1,142,229/x
3. Step 3: Cross multiply
   803,454x = 1,142,229 × 1,142,229
4. Step 4: Simplify right side
   803,454x = 1,304,687,088,441
5. Step 5: Solve for x
   x = 1,304,687,088,441/803,454
6. Step 6: Final answer
   x = 1,623,847.90