Finding the Third Proportional to 559,701 and 887,686.50

Step by Step Solution

1. Step 1: Write the proportion equation
   559,701 : 887,686.50 = 887,686.50 : x
2. Step 2: Convert to fraction form
   559,701/887,686.50 = 887,686.50/x
3. Step 3: Cross multiply
   559,701x = 887,686.50 × 887,686.50
4. Step 4: Simplify right side
   559,701x = 787,987,322,282.25
5. Step 5: Solve for x
   x = 787,987,322,282.25/559,701
6. Step 6: Final answer
   x = 1,407,871.92