Finding the Third Proportional to 582,602 and 787,140

Step by Step Solution

1. Step 1: Write the proportion equation
   582,602 : 787,140 = 787,140 : x
2. Step 2: Convert to fraction form
   582,602/787,140 = 787,140/x
3. Step 3: Cross multiply
   582,602x = 787,140 × 787,140
4. Step 4: Simplify right side
   582,602x = 619,589,379,600
5. Step 5: Solve for x
   x = 619,589,379,600/582,602
6. Step 6: Final answer
   x = 1,063,486.53