Finding the Third Proportional to 4,597,884 and 9,991,656

Step by Step Solution

1. Step 1: Write the proportion equation
   4,597,884 : 9,991,656 = 9,991,656 : x
2. Step 2: Convert to fraction form
   4,597,884/9,991,656 = 9,991,656/x
3. Step 3: Cross multiply
   4,597,884x = 9,991,656 × 9,991,656
4. Step 4: Simplify right side
   4,597,884x = 99,833,189,622,336
5. Step 5: Solve for x
   x = 99,833,189,622,336/4,597,884
6. Step 6: Final answer
   x = 21,712,855.22