Finding the Third Proportional to 3,415,884 and 7,392,792

Step by Step Solution

1. Step 1: Write the proportion equation
   3,415,884 : 7,392,792 = 7,392,792 : x
2. Step 2: Convert to fraction form
   3,415,884/7,392,792 = 7,392,792/x
3. Step 3: Cross multiply
   3,415,884x = 7,392,792 × 7,392,792
4. Step 4: Simplify right side
   3,415,884x = 54,653,373,555,264
5. Step 5: Solve for x
   x = 54,653,373,555,264/3,415,884
6. Step 6: Final answer
   x = 15,999,774.45