Finding the Third Proportional to 582,656 and 787,218.50

Step by Step Solution

1. Step 1: Write the proportion equation
   582,656 : 787,218.50 = 787,218.50 : x
2. Step 2: Convert to fraction form
   582,656/787,218.50 = 787,218.50/x
3. Step 3: Cross multiply
   582,656x = 787,218.50 × 787,218.50
4. Step 4: Simplify right side
   582,656x = 619,712,966,742.25
5. Step 5: Solve for x
   x = 619,712,966,742.25/582,656
6. Step 6: Final answer
   x = 1,063,600.08