Finding the Third Proportional to 2,124,616 and 4,977,172

Step by Step Solution

1. Step 1: Write the proportion equation
   2,124,616 : 4,977,172 = 4,977,172 : x
2. Step 2: Convert to fraction form
   2,124,616/4,977,172 = 4,977,172/x
3. Step 3: Cross multiply
   2,124,616x = 4,977,172 × 4,977,172
4. Step 4: Simplify right side
   2,124,616x = 24,772,241,117,584
5. Step 5: Solve for x
   x = 24,772,241,117,584/2,124,616
6. Step 6: Final answer
   x = 11,659,632.20