Finding the Third Proportional to 582,550 and 787,062.75

Step by Step Solution

1. Step 1: Write the proportion equation
   582,550 : 787,062.75 = 787,062.75 : x
2. Step 2: Convert to fraction form
   582,550/787,062.75 = 787,062.75/x
3. Step 3: Cross multiply
   582,550x = 787,062.75 × 787,062.75
4. Step 4: Simplify right side
   582,550x = 619,467,772,437.56
5. Step 5: Solve for x
   x = 619,467,772,437.56/582,550
6. Step 6: Final answer
   x = 1,063,372.71