Finding the Third Proportional to 3,617,716 and 7,865,288

Step by Step Solution

1. Step 1: Write the proportion equation
   3,617,716 : 7,865,288 = 7,865,288 : x
2. Step 2: Convert to fraction form
   3,617,716/7,865,288 = 7,865,288/x
3. Step 3: Cross multiply
   3,617,716x = 7,865,288 × 7,865,288
4. Step 4: Simplify right side
   3,617,716x = 61,862,755,322,944
5. Step 5: Solve for x
   x = 61,862,755,322,944/3,617,716
6. Step 6: Final answer
   x = 17,099,947.96