Finding the Third Proportional to 803,392 and 1,142,148

Step by Step Solution

1. Step 1: Write the proportion equation
   803,392 : 1,142,148 = 1,142,148 : x
2. Step 2: Convert to fraction form
   803,392/1,142,148 = 1,142,148/x
3. Step 3: Cross multiply
   803,392x = 1,142,148 × 1,142,148
4. Step 4: Simplify right side
   803,392x = 1,304,502,053,904
5. Step 5: Solve for x
   x = 1,304,502,053,904/803,392
6. Step 6: Final answer
   x = 1,623,742.90