Finding the Third Proportional to 582,429 and 1,272,618

Step by Step Solution

1. Step 1: Write the proportion equation
   582,429 : 1,272,618 = 1,272,618 : x
2. Step 2: Convert to fraction form
   582,429/1,272,618 = 1,272,618/x
3. Step 3: Cross multiply
   582,429x = 1,272,618 × 1,272,618
4. Step 4: Simplify right side
   582,429x = 1,619,556,573,924
5. Step 5: Solve for x
   x = 1,619,556,573,924/582,429
6. Step 6: Final answer
   x = 2,780,693.57