Finding the Third Proportional to 890,688 and 1,941,216

Step by Step Solution

1. Step 1: Write the proportion equation
   890,688 : 1,941,216 = 1,941,216 : x
2. Step 2: Convert to fraction form
   890,688/1,941,216 = 1,941,216/x
3. Step 3: Cross multiply
   890,688x = 1,941,216 × 1,941,216
4. Step 4: Simplify right side
   890,688x = 3,768,319,558,656
5. Step 5: Solve for x
   x = 3,768,319,558,656/890,688
6. Step 6: Final answer
   x = 4,230,796.37