Finding the Third Proportional to 2,553,170 and 3,780,457

Step by Step Solution

1. Step 1: Write the proportion equation
   2,553,170 : 3,780,457 = 3,780,457 : x
2. Step 2: Convert to fraction form
   2,553,170/3,780,457 = 3,780,457/x
3. Step 3: Cross multiply
   2,553,170x = 3,780,457 × 3,780,457
4. Step 4: Simplify right side
   2,553,170x = 14,291,855,128,849
5. Step 5: Solve for x
   x = 14,291,855,128,849/2,553,170
6. Step 6: Final answer
   x = 5,597,690.37