Finding the Third Proportional to 582,072 and 1,272,522

Step by Step Solution

1. Step 1: Write the proportion equation
   582,072 : 1,272,522 = 1,272,522 : x
2. Step 2: Convert to fraction form
   582,072/1,272,522 = 1,272,522/x
3. Step 3: Cross multiply
   582,072x = 1,272,522 × 1,272,522
4. Step 4: Simplify right side
   582,072x = 1,619,312,240,484
5. Step 5: Solve for x
   x = 1,619,312,240,484/582,072
6. Step 6: Final answer
   x = 2,781,979.27