Finding the Third Proportional to 2,516,978 and 3,775,731

Step by Step Solution

1. Step 1: Write the proportion equation
   2,516,978 : 3,775,731 = 3,775,731 : x
2. Step 2: Convert to fraction form
   2,516,978/3,775,731 = 3,775,731/x
3. Step 3: Cross multiply
   2,516,978x = 3,775,731 × 3,775,731
4. Step 4: Simplify right side
   2,516,978x = 14,256,144,584,361
5. Step 5: Solve for x
   x = 14,256,144,584,361/2,516,978
6. Step 6: Final answer
   x = 5,663,992.53