Finding the Third Proportional to 2,477,340 and 3,620,416

Step by Step Solution

1. Step 1: Write the proportion equation
   2,477,340 : 3,620,416 = 3,620,416 : x
2. Step 2: Convert to fraction form
   2,477,340/3,620,416 = 3,620,416/x
3. Step 3: Cross multiply
   2,477,340x = 3,620,416 × 3,620,416
4. Step 4: Simplify right side
   2,477,340x = 13,107,412,013,056
5. Step 5: Solve for x
   x = 13,107,412,013,056/2,477,340
6. Step 6: Final answer
   x = 5,290,921.72