Finding the Third Proportional to 1,175,978 and 2,551,108

Step by Step Solution

1. Step 1: Write the proportion equation
   1,175,978 : 2,551,108 = 2,551,108 : x
2. Step 2: Convert to fraction form
   1,175,978/2,551,108 = 2,551,108/x
3. Step 3: Cross multiply
   1,175,978x = 2,551,108 × 2,551,108
4. Step 4: Simplify right side
   1,175,978x = 6,508,152,027,664
5. Step 5: Solve for x
   x = 6,508,152,027,664/1,175,978
6. Step 6: Final answer
   x = 5,534,246.41