Finding the Third Proportional to 563,922 and 863,743.50

Step by Step Solution

1. Step 1: Write the proportion equation
   563,922 : 863,743.50 = 863,743.50 : x
2. Step 2: Convert to fraction form
   563,922/863,743.50 = 863,743.50/x
3. Step 3: Cross multiply
   563,922x = 863,743.50 × 863,743.50
4. Step 4: Simplify right side
   563,922x = 746,052,833,792.25
5. Step 5: Solve for x
   x = 746,052,833,792.25/563,922
6. Step 6: Final answer
   x = 1,322,971.68