Finding the Third Proportional to 471,389,690 and 1,111,196,378

Step by Step Solution

1. Step 1: Write the proportion equation
   471,389,690 : 1,111,196,378 = 1,111,196,378 : x
2. Step 2: Convert to fraction form
   471,389,690/1,111,196,378 = 1,111,196,378/x
3. Step 3: Cross multiply
   471,389,690x = 1,111,196,378 × 1,111,196,378
4. Step 4: Simplify right side
   471,389,690x = 1,234,757,390,480,318,976
5. Step 5: Solve for x
   x = 1,234,757,390,480,318,976/471,389,690
6. Step 6: Final answer
   x = 2,619,398,380.31