Finding the Third Proportional to 602,272 and 1,309,520

Step by Step Solution

1. Step 1: Write the proportion equation
   602,272 : 1,309,520 = 1,309,520 : x
2. Step 2: Convert to fraction form
   602,272/1,309,520 = 1,309,520/x
3. Step 3: Cross multiply
   602,272x = 1,309,520 × 1,309,520
4. Step 4: Simplify right side
   602,272x = 1,714,842,630,400
5. Step 5: Solve for x
   x = 1,714,842,630,400/602,272
6. Step 6: Final answer
   x = 2,847,289.32