Finding the Third Proportional to 2,415,400 and 5,209,114

Step by Step Solution

1. Step 1: Write the proportion equation
   2,415,400 : 5,209,114 = 5,209,114 : x
2. Step 2: Convert to fraction form
   2,415,400/5,209,114 = 5,209,114/x
3. Step 3: Cross multiply
   2,415,400x = 5,209,114 × 5,209,114
4. Step 4: Simplify right side
   2,415,400x = 27,134,868,664,996
5. Step 5: Solve for x
   x = 27,134,868,664,996/2,415,400
6. Step 6: Final answer
   x = 11,234,109.74