Finding the Third Proportional to 787,716 and 1,687,527

Step by Step Solution

1. Step 1: Write the proportion equation
   787,716 : 1,687,527 = 1,687,527 : x
2. Step 2: Convert to fraction form
   787,716/1,687,527 = 1,687,527/x
3. Step 3: Cross multiply
   787,716x = 1,687,527 × 1,687,527
4. Step 4: Simplify right side
   787,716x = 2,847,747,375,729
5. Step 5: Solve for x
   x = 2,847,747,375,729/787,716
6. Step 6: Final answer
   x = 3,615,195.55