Finding the Third Proportional to 4,010,288 and 8,659,792

Step by Step Solution

1. Step 1: Write the proportion equation
   4,010,288 : 8,659,792 = 8,659,792 : x
2. Step 2: Convert to fraction form
   4,010,288/8,659,792 = 8,659,792/x
3. Step 3: Cross multiply
   4,010,288x = 8,659,792 × 8,659,792
4. Step 4: Simplify right side
   4,010,288x = 74,991,997,483,264
5. Step 5: Solve for x
   x = 74,991,997,483,264/4,010,288
6. Step 6: Final answer
   x = 18,699,903.22